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      <Desc>EXHIBITS include over 900 standing exhibits, housed in 132,000 sq ft of gallery and related space, providing hands-on experiences in all areas of science and technology, and their social impact. The Museum creates permanent and travelling exhibits both on its own and in collaboration with other institutions, and is one of three lead partners in the National Informal STEM Education Network (NISENet), a network of approximately 600 museums, colleges/universities, libraries, scientific professional organizations, and research institutions which creates and shares exhibits and programs relating to important current science and technology topics. Traveling exhibits hosted by the Museum this year included: What I Eat; Treasured Lands: The US National Parks in Focus; Frogs: A Chorus of Colors; Spiders: Alive!; Defeating Disease; Da Vinci - The Genius; Chocolate; POPnology; Many Faces of Our Mental Health</Desc>
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        <Desc>THEATERS include the Charles Hayden Planetarium offering lectures and demonstrations of astronomical phenomena, current discoveries and historical topics. The Mugar Omni Theater is a domed IMAX theater offers 70mm format films. A 4-D theater offers short 3-D films on a range of science and nature topics augmented by sensory effects such as wind, mist, and smell. Planetarium shows this year included: Explore: The Sky Tonight; Explore the Universe; One World, One Sky: Big Bird's Adventure; Moons: Worlds of Mystery; From Dream to Discovery: Inside NASA; Magic Treehouse; Undiscovered Worlds IMAX films included: Adrenaline Rush; Amazing Journeys; Amazon Adventure; Dinosaurs Alive!; Dolphins; Extreme Weather; Forces of Nature; Humpback Whales; Journey to Space; Lewis &amp; Clark: Great Journey West; National Parks Adventure; Shackleton's Antarctic Adventure; Tornado Alley; Wild Africa (623,900 theater visitors served)</Desc>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Gretchen S Fish</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Helen Greiner</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Howard Messing</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Jaishree Deshpande</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Johan Pontin</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Joy Lucas</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Kate Levin</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Kurt Melden</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Lawrence A Siff</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Leslie E Greis</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Malcolm L Sherman</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Maria L Kussmaul</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Maryrose Sylvester</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Michael Bronner</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Michael G Thonis</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Nancy E Dempze</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Patricia M Lassiter</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Payson Swaffield</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Ranch C Kimball</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Richard A DiPerna</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Richard I Anders</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Richard M Burnes Jr</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Stacy L Cowan</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Stephane Bancel</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Steven Haley</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Susan E Whitehead</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Susan Windham-Bannister</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Thomas J Pincince</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Wayne M Kennard</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Yet-Ming Chiang</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Yiannis Monovoukas</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Henri A Termeer</PersonNm>
        <TitleTxt>Trustee (Deceased)</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Carol Ann Kania</PersonNm>
        <TitleTxt>Trustee (Left)</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>George Scangos</PersonNm>
        <TitleTxt>Trustee (Left)</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Hal R Tovin</PersonNm>
        <TitleTxt>Trustee (Left)</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Jeffrey R Beir</PersonNm>
        <TitleTxt>Trustee (Left)</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Stephen E Coit</PersonNm>
        <TitleTxt>Trustee (Left)</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>William H Swanson</PersonNm>
        <TitleTxt>Trustee (Left)</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Howard H Stevenson</PersonNm>
        <TitleTxt>Trustee (Retired to emeritus status)</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Laura Barker Morse</PersonNm>
        <TitleTxt>Trustee (Retired to emeritus status)</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Richard A Carpenter</PersonNm>
        <TitleTxt>Trustee (Retired to emeritus status)</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Wendy W Kistler</PersonNm>
        <TitleTxt>Trustee (Retired to emeritus status)</TitleTxt>
        <AverageHoursPerWeekRt>1</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Ioannis N Miaoulis</PersonNm>
        <TitleTxt>President and Director</TitleTxt>
        <AverageHoursPerWeekRt>40</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>607173</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>18857</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Wayne Bouchard</PersonNm>
        <TitleTxt>COO/Asst. Sec'y</TitleTxt>
        <AverageHoursPerWeekRt>40</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>335903</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>30041</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>John T Slakey</PersonNm>
        <TitleTxt>VP Fin/CFO/Treasurer</TitleTxt>
        <AverageHoursPerWeekRt>40</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>202826</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>32692</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Ellen Starr</PersonNm>
        <TitleTxt>Sr. VP, Advancement</TitleTxt>
        <AverageHoursPerWeekRt>40</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>275228</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>19734</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Lawrence Bell</PersonNm>
        <TitleTxt>Sr. VP, Strategic Init.</TitleTxt>
        <AverageHoursPerWeekRt>40</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>227515</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>23455</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Jonathan R Burke</PersonNm>
        <TitleTxt>Sr. VP, Vis. Exper. &amp; Ops</TitleTxt>
        <AverageHoursPerWeekRt>40</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>28968</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Todd Sperry</PersonNm>
        <TitleTxt>Sr. VP, Marketing</TitleTxt>
        <AverageHoursPerWeekRt>40</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>4233</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Paul Fontaine</PersonNm>
        <TitleTxt>Sr. VP, Education</TitleTxt>
        <AverageHoursPerWeekRt>40</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>11866</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>E James Kraus</PersonNm>
        <TitleTxt>Exec. Dir. of Development</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>22671</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Nancy Sandman</PersonNm>
        <TitleTxt>Dir Corp/Fdn/Govt Supp</TitleTxt>
        <AverageHoursPerWeekRt>40</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
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        <OtherCompensationAmt>21336</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Christine Cunningham</PersonNm>
        <TitleTxt>VP Research/Elem Sch Curr</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>11816</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Amy Berkeley</PersonNm>
        <TitleTxt>Sr. Dir of Leadership Gifts</TitleTxt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Britton O'Brien</PersonNm>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
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          <BusinessName>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>27 Wormwood St No 150</AddressLine1Txt>
            <CityNm>Boston</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02210</ZIPCd>
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        </ContractorAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Made Media Inc</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>185 Van Dyke Street</AddressLine1Txt>
            <CityNm>New York</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>11231</ZIPCd>
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        </ContractorAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Ravenswood Studio Inc</BusinessNameLine1Txt>
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        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>6900 N Central Park Ave</AddressLine1Txt>
            <CityNm>Lincolnwood</CityNm>
            <StateAbbreviationCd>IL</StateAbbreviationCd>
            <ZIPCd>60712</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Exhibit Fabrication</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Cambridge Seven Associates Inc</BusinessNameLine1Txt>
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        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1050 Mass Ave</AddressLine1Txt>
            <CityNm>Cambridge</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02139</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Architectural</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Cavalieri Construction</BusinessNameLine1Txt>
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        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>16 Robin St</AddressLine1Txt>
            <CityNm>Everett</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02149</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Construction</ServicesDesc>
        <CompensationAmt>361085</CompensationAmt>
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      <CntrctRcvdGreaterThan100KCnt>16</CntrctRcvdGreaterThan100KCnt>
      <FederatedCampaignsAmt>0</FederatedCampaignsAmt>
      <MembershipDuesAmt>2026499</MembershipDuesAmt>
      <FundraisingAmt>734983</FundraisingAmt>
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      <GovernmentGrantsAmt>4620123</GovernmentGrantsAmt>
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        <Desc>Admissions</Desc>
        <BusinessCd>712110</BusinessCd>
        <TotalRevenueColumnAmt>12941429</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>12833104</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>108325</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>0</ExclusionAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>Parking</Desc>
        <BusinessCd>812930</BusinessCd>
        <TotalRevenueColumnAmt>2866485</TotalRevenueColumnAmt>
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        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>2866485</ExclusionAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>Education program income</Desc>
        <BusinessCd>611699</BusinessCd>
        <TotalRevenueColumnAmt>2109538</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>2109538</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>0</ExclusionAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>Exhibit rental fees</Desc>
        <BusinessCd>712110</BusinessCd>
        <TotalRevenueColumnAmt>1225252</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1225252</RelatedOrExemptFuncIncomeAmt>
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        <ExclusionAmt>0</ExclusionAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>Membership benefits</Desc>
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        <TotalRevenueColumnAmt>5426601</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>5426601</RelatedOrExemptFuncIncomeAmt>
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        <RelatedOrExemptFuncIncomeAmt>0</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>-27092</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>1548205</ExclusionAmt>
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        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>0</ExclusionAmt>
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        <RelatedOrExemptFuncIncomeAmt>49414</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>0</ExclusionAmt>
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        <PersonalAmt>0</PersonalAmt>
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      <LessRentalExpensesGrp>
        <RealAmt>0</RealAmt>
        <PersonalAmt>0</PersonalAmt>
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      <RentalIncomeOrLossGrp>
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        <PersonalAmt>0</PersonalAmt>
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        <TotalRevenueColumnAmt>1800150</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>0</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>558840</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>1241310</ExclusionAmt>
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      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>31669617</SecuritiesAmt>
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        <SecuritiesAmt>26454911</SecuritiesAmt>
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      <GainOrLossGrp>
        <SecuritiesAmt>5214706</SecuritiesAmt>
        <OtherAmt>-311081</OtherAmt>
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      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>4903625</TotalRevenueColumnAmt>
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      <FundraisingDirectExpensesAmt>367513</FundraisingDirectExpensesAmt>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>-224541</TotalRevenueColumnAmt>
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        <ExclusionAmt>-224541</ExclusionAmt>
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      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>3334451</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3334451</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>0</ExclusionAmt>
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        <Desc>Sponsorship</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1014739</TotalRevenueColumnAmt>
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        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>1014739</ExclusionAmt>
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      <OtherRevenueMiscGrp>
        <Desc>Concession fees</Desc>
        <BusinessCd>453220</BusinessCd>
        <TotalRevenueColumnAmt>922829</TotalRevenueColumnAmt>
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        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>922829</ExclusionAmt>
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      <OtherRevenueMiscGrp>
        <Desc>Ancillary services</Desc>
        <BusinessCd>531120</BusinessCd>
        <TotalRevenueColumnAmt>1524974</TotalRevenueColumnAmt>
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        <ExclusionAmt>1093502</ExclusionAmt>
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      <MiscellaneousRevenueGrp>
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        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
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      <TotalRevenueGrp>
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      <GrantsToDomesticOrgsGrp>
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        <ProgramServicesAmt>2011129</ProgramServicesAmt>
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      <GrantsToDomesticIndividualsGrp>
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        <ProgramServicesAmt>505681</ProgramServicesAmt>
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        <ProgramServicesAmt>0</ProgramServicesAmt>
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        <ProgramServicesAmt>0</ProgramServicesAmt>
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        <ProgramServicesAmt>995497</ProgramServicesAmt>
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        <FundraisingAmt>512451</FundraisingAmt>
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        <ProgramServicesAmt>17901123</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1824242</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>1013166</ProgramServicesAmt>
        <ManagementAndGeneralAmt>100758</ManagementAndGeneralAmt>
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        <ManagementAndGeneralAmt>180560</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>1400041</ProgramServicesAmt>
        <ManagementAndGeneralAmt>139232</ManagementAndGeneralAmt>
        <FundraisingAmt>236321</FundraisingAmt>
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        <ProgramServicesAmt>63</ProgramServicesAmt>
        <ManagementAndGeneralAmt>25318</ManagementAndGeneralAmt>
        <FundraisingAmt>800</FundraisingAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>166540</TotalAmt>
        <ManagementAndGeneralAmt>166540</ManagementAndGeneralAmt>
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      <FeesForServicesLobbyingGrp>
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        <ProgramServicesAmt>92700</ProgramServicesAmt>
        <FundraisingAmt>60114</FundraisingAmt>
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      <FeesForServicesProfFundraising>
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      <OtherSecuritiesGrp>
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        <Desc>Other alternative investments</Desc>
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        <Desc>Other LT liabilities</Desc>
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      <FootnoteTextInd>X</FootnoteTextInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part III, Line 1</FormAndLineReferenceDesc>
        <ExplanationTxt>Collections footnote: The Museum's collections consist of approximately 30,000 artifacts used primarily for educational activities, encompassing interpretations, discovery spaces, exhibits, lectures, classes, demonstrations, reference services, or other programs. The Museum also has a historical and archival collection that documents the history of the institution. The composition of the Museum's collections by artifact type is as follows: Natural Sciences 20,000 items; Cultural/Physical Science 5,000 items; Artwork 2,000 items; Institutional History 3,000 items; Archive 1,100 linear feet. The Museum's Collections Management Policy stipulates that the Museum will only acquire objects useful in fulfilling the educational purpose stated in its mission. The Museum accepts only those objects that can be immediately put on display in an exhibit, used in educational programs, or used in future programming. Items may be de-accessioned from the collections if they are determined to be no longer useful or relevant in assisting the Museum in fulfilling its mission. Consistent with the American Alliance of Museums' Code of Ethics, Museum policy specifies that proceeds from the de-accessioning of an item may only be used for the conservation or acquisition of other collections items. In accordance with current practice generally followed by museums, collections are not recorded as assets in the accompanying financial statements. Purchased additions to the collections are recorded as expenses at the time acquired. Although artifacts from the collections may from time to time be incorporated into exhibits, the Museum's exhibits themselves are not considered part of its collections and may be capitalized under the Museum's property, plant, and equipment policies. However, artifacts and artworks with a value of $250,000 or greater acquired specifically for incorporation into an exhibit and capitalized as part of that exhibit may be formally accessioned into the Museum's collections in order to be afforded the protections of the Museum's Collections Management Policy.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part III, Line 4</FormAndLineReferenceDesc>
        <ExplanationTxt>The Museum's collections are used primarily for educational activities, encompassing interpretations, discovery spaces, exhibits, lectures, classes, demonstrations, reference service, or other programs. The Museum also has a historical and archival collection that documents the important and rich history of the institution. The Collections Department provides professional stewardship for artifacts that are temporarily in the custody of the Museum through loans and/or temporary exhibitions. Collections consist of: Natural Sciences - 20,000 items; Cultural/Physical Science - 5,000 items; Artwork - 2,000 items; Institutional History - 3,000 items; Archives - 1,100 linear feet. Live animals include: Butterfly Garden - approximately 300 butterflies representing 50 species, Other spaces - 120 either individual animals or colonies of live animals throughout the Museum presenting 50 species. Fifty of these are on exhibit and the rest live in the Live Animal Care Center.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part V, Line 4</FormAndLineReferenceDesc>
        <ExplanationTxt>The Museum's endowment includes both donor-restricted endowment funds and funds designated by the Board of Trustees to function as endowments ("quasi-endowments"). The endowment consists of 117 individual donor restricted endowment funds and 29 quasi-endowment funds used for a variety of purposes. The relative uses of the endowment (as measured by fair value) include: Unrestricted/general operations - 22%, Exhibit construction and maintenance - 25%, Program support - 30%, Mixed use (primarily exhibits and programs jointly) - 15%, Other (including Library, Access, and Internships) - 8%</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part X, Line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>The Museum's footnote disclosure with respect to FIN 48 is as follows: The Museum is exempt from income taxation on activities related to its charitable purposes under the provisions of Section 501(c)(3) of the Internal Revenue Code and is qualified to receive tax-deductible gifts and bequests under the U.S. tax code. The Museum is subject to tax on income from any business it conducts which is unrelated to its charitable purposes. The Museum's unrelated business income tax is limited and no tax provision has been made in the accompanying financial statements. The Museum is also responsible for calculating, collecting, and remitting sales and liquor taxes in various jurisdictions. The Museum accounts for the effect of any uncertain tax positions on the basis of whether it is more likely than not that positions taken, or expected to be taken, in a tax return will be sustained upon examination by the relevant taxing authority. If a tax position or positions are deemed to result in uncertainties of those positions, the unrecognized tax benefit is estimated based on a "cumulative probability assessment" that aggregates the estimated liability for all uncertain tax positions. The Museum considers its status as a tax-exempt entity and the determination of income as related or unrelated to its exempt purpose to be its only significant income tax positions, and has determined that such positions do not result in an uncertainty requiring recognition. The Museum is not currently under income tax examination by any jurisdiction. The Museum's Federal and state tax returns are generally open for examination for three years following the date filed.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part XI, Line 2d</FormAndLineReferenceDesc>
        <ExplanationTxt>Amortization of liability 205,140; Change in value of split interest agreements 1,589,405; Rounding variances -2.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part XI, Line 4b</FormAndLineReferenceDesc>
        <ExplanationTxt>Loss on disposal of capital assets -311,081; Fundraising expenses -367,513; Cost of goods sold -4,095,010.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part XII, Line 2d</FormAndLineReferenceDesc>
        <ExplanationTxt>Fundraising expenses reported in Part VIII 367,513; Cost of goods sold reported in Part VIII 4,095,010; Loss on disposal of capital assets (see part VIII) 311,081.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule F, Part I, Line 3</FormAndLineReferenceDesc>
        <ExplanationTxt>PROGRAM SERVICES: TRAVEL TO CONFERENCES &amp; PEER INSTITUTIONS (Staff professional development and program dissemination): As the Museum expands its programming internationally, staff are increasingly called upon to travel to meetings and conferences in other countries, and to visit peer institutions to review programs and exhibits which may potentially inform the Museum's own offerings. Staff also introduce other institutions to programs and materials the Museum has developed. Finally, staff may travel internationally to perform research to inform the content of exhibits in development. Costs associated with such travel are accounted for under the same accountable plan as the Museum's domestic travel.</ExplanationTxt>
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      <MailSolicitationsInd>X</MailSolicitationsInd>
      <EmailSolicitationsInd>X</EmailSolicitationsInd>
      <PhoneSolicitationsInd>X</PhoneSolicitationsInd>
      <InPersonSolicitationsInd>X</InPersonSolicitationsInd>
      <SolicitationOfNonGovtGrantsInd>X</SolicitationOfNonGovtGrantsInd>
      <SolicitationOfGovtGrantsInd>X</SolicitationOfGovtGrantsInd>
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          <BusinessNameLine1Txt>Pentera Inc</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>8650 Commerce Park Pl Ste G</AddressLine1Txt>
          <CityNm>Indianapolis</CityNm>
          <StateAbbreviationCd>IN</StateAbbreviationCd>
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      <FundraiserActivityInfoGrp>
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          <CityNm>Brookline</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
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        <ActivityTxt>Fundraising counsel</ActivityTxt>
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          <CityNm>Toronto</CityNm>
          <ProvinceOrStateNm>Ontario</ProvinceOrStateNm>
          <CountryCd>CA</CountryCd>
          <ForeignPostalCd>M54 4L5</ForeignPostalCd>
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        <ActivityTxt>Telemarketing</ActivityTxt>
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      <LicensedStatesCd>MA</LicensedStatesCd>
      <LicensedStatesCd>NH</LicensedStatesCd>
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        <Event2Nm>Washburn Mt. Washington Challenge</Event2Nm>
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        <CharitableContriEvent2Amt>137899</CharitableContriEvent2Amt>
        <GrossRevenueEvent2Amt>1350</GrossRevenueEvent2Amt>
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        <NonCashPrizesEvent2Amt>0</NonCashPrizesEvent2Amt>
        <RentFacilityCostsEvent2Amt>0</RentFacilityCostsEvent2Amt>
        <FoodAndBeverageEvent2Amt>7874</FoodAndBeverageEvent2Amt>
        <EntertainmentEvent2Amt>0</EntertainmentEvent2Amt>
        <OtherDirectExpensesEvent2Amt>7556</OtherDirectExpensesEvent2Amt>
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        <RentFcltyCostsOtherEventsAmt>0</RentFcltyCostsOtherEventsAmt>
        <FoodAndBeverageOtherEventsAmt>40805</FoodAndBeverageOtherEventsAmt>
        <EntertainmentOtherEventsAmt>7598</EntertainmentOtherEventsAmt>
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        <RentFcltyCostsTotalEventsAmt>0</RentFcltyCostsTotalEventsAmt>
        <FoodAndBeverageTotalEventsAmt>95381</FoodAndBeverageTotalEventsAmt>
        <EntertainmentTotalEventsAmt>16598</EntertainmentTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>255533</OthDirectExpnssTotalEventsAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule G, Part I, Line 2b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Museum's use of external fundraisers may, in any given year, consist of a) general fundraising counsel, whose work is generally too integrated into the Museum's overall Advancement function to have "gross receipts" amounts specifically assigned; b) direct-mail companies, whose work ranges from simple large-scale mailing of materials developed and produced by the Museum itself to a more direct involvement in the design and creation of the solicitation materials; and c) telemarketers. In cases such as direct mail where costs other than the fundraising services are incurred (such as postage, printing, etc.), the company's invoicing is in sufficient detail to allow the Museum to track and code those expenses separately from the amounts reported as "professional fundraising fees" on From 990, Part IX, Line 11e. For the companies listed in Schedule G, those additional expenses totaled $5,691. All agreements with outside fundraisers provide for invoicing of the Museum based on solicitations made, rather than withholding of amounts from funds raised. No outside fundraiser has custody of any funds raised.</ExplanationTxt>
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          <CityNm>Baltimore</CityNm>
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          <AddressLine1Txt>100 N Hamilton St</AddressLine1Txt>
          <CityNm>Madison</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
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          <CityNm>Santa Ana</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>92705</ZIPCd>
        </USAddress>
        <RecipientEIN>264370987</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>20000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Fed'l subaward: DOJ Impacts</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Towson University</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>8000 York Rd</AddressLine1Txt>
          <CityNm>Towson</CityNm>
          <StateAbbreviationCd>MD</StateAbbreviationCd>
          <ZIPCd>21252</ZIPCd>
        </USAddress>
        <RecipientEIN>520939453</RecipientEIN>
        <IRCSectionDesc>State of MD</IRCSectionDesc>
        <CashGrantAmt>9343</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Fed'l subaward: Exploring the Efficacy of Elementary Engineering</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>AAAS</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1200 New York Ave NW</AddressLine1Txt>
          <CityNm>Washington</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20005</ZIPCd>
        </USAddress>
        <RecipientEIN>530196568</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>64651</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Fed'l subaward: Multi-site Public Engagement with Science</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Rockman Et Al Inc</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>595 Market St Ste 2570</AddressLine1Txt>
          <CityNm>San Francisco</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>941052802</ZIPCd>
        </USAddress>
        <RecipientEIN>943400371</RecipientEIN>
        <CashGrantAmt>54158</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Fed'l subaward: Multi-site Public Engagement with Science</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Northeastern University</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>360 Huntington Ave</AddressLine1Txt>
          <CityNm>Boston</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02115</ZIPCd>
        </USAddress>
        <RecipientEIN>041679980</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>30793</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Fed'l subaward: Science Center Public Forums</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Association of Science-Technology Centers</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1025 Vermont Ave NW 500</AddressLine1Txt>
          <CityNm>Washington</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20005</ZIPCd>
        </USAddress>
        <RecipientEIN>521926756</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>32259</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Fed'l subaward: Visitor Experience Studies</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>New York Hall Of Science</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>47-01 111th St</AddressLine1Txt>
          <CityNm>Corona</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>11368</ZIPCd>
        </USAddress>
        <RecipientEIN>112104059</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>7678</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Fed'l subaward: Visitor Experience Studies</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Discovery Center Museum</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>711 N Main St</AddressLine1Txt>
          <CityNm>Rockford</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>61103</ZIPCd>
        </USAddress>
        <RecipientEIN>363292135</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>7192</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Fed'l subaward: Visitor Experience Studies</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Science Museum of Minnesota</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>120 W Kellogg Blvd</AddressLine1Txt>
          <CityNm>St Paul</CityNm>
          <StateAbbreviationCd>MN</StateAbbreviationCd>
          <ZIPCd>55102</ZIPCd>
        </USAddress>
        <RecipientEIN>410706172</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>760333</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Fed'l subawards: Nanoscale Informal Sci Ed, Multi-site Public Engagement, Vis. Experience</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Oregon Museum of Science and Industry</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1945 SE Water Ave</AddressLine1Txt>
          <CityNm>Portland</CityNm>
          <StateAbbreviationCd>OR</StateAbbreviationCd>
          <ZIPCd>97214</ZIPCd>
        </USAddress>
        <RecipientEIN>930402877</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>69938</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Fed'l subawards: Nanoscale Informal Science Education and Communities of Learners</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>University of Wisconsin</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1220 Linden Dr</AddressLine1Txt>
          <CityNm>Madison</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>53706</ZIPCd>
        </USAddress>
        <RecipientEIN>396028867</RecipientEIN>
        <IRCSectionDesc>State of WI</IRCSectionDesc>
        <CashGrantAmt>20807</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Fed'l subawards: Nanoscale Informal Science Education and Communities of Learners</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Sciencenter</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>601 First St</AddressLine1Txt>
          <CityNm>Ithaca</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>14850</ZIPCd>
        </USAddress>
        <RecipientEIN>222470652</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>111566</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Fed'l subawards: Nanoscale Informal Science Education and Multi-site Public Engagement</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Center of Science and Industry</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>333 West Broad St</AddressLine1Txt>
          <CityNm>Columbus</CityNm>
          <StateAbbreviationCd>OH</StateAbbreviationCd>
          <ZIPCd>43215</ZIPCd>
        </USAddress>
        <RecipientEIN>314383802</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>6588</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Fed'l subawards: Productive Struggle</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>The Friends of the Hennepin County Library</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>300 Nicollet Mall N-290</AddressLine1Txt>
          <CityNm>Minneapolis</CityNm>
          <StateAbbreviationCd>MN</StateAbbreviationCd>
          <ZIPCd>55401</ZIPCd>
        </USAddress>
        <RecipientEIN>363579536</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>80000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Private &amp; Fed'l subawards: Best Buy Clubhouse Expansion, DOJ</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Gold Crown Foundation</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>7400 E Crestline Cir Ste 200</AddressLine1Txt>
          <CityNm>Greenwood Village</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80111</ZIPCd>
        </USAddress>
        <RecipientEIN>742422126</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>125000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Private subaward: Best Buy Clubhouse Expansion</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>PF Bresee Foundation</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>184 Bimini Pl</AddressLine1Txt>
          <CityNm>Los Angeles</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>90004</ZIPCd>
        </USAddress>
        <RecipientEIN>953797363</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>65000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Private subaward: Best Buy Clubhouse Expansion</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Alternatives in Action</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>3666 Grand Ave</AddressLine1Txt>
          <CityNm>Oakland</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94610</ZIPCd>
        </USAddress>
        <RecipientEIN>943210413</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>50000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Private subaward: Best Buy Clubhouse Expansion</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Dallas Parks Foundation</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>9910 Royal Lane 1101</AddressLine1Txt>
          <CityNm>Dallas</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>75231</ZIPCd>
        </USAddress>
        <RecipientEIN>200012044</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>50000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Private subaward: Best Buy Clubhouse Expansion</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Little Black Pearl Art and Design Center</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1060 East 47th St</AddressLine1Txt>
          <CityNm>Chicago</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60653</ZIPCd>
        </USAddress>
        <RecipientEIN>363994059</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>45000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Private subaward: Best Buy Clubhouse Expansion</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Family Services Association</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>3014 Rivas St</AddressLine1Txt>
          <CityNm>San Antonio</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>78228</ZIPCd>
        </USAddress>
        <RecipientEIN>741117341</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>45000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Private subaward: Best Buy Clubhouse Expansion</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Boys &amp; Girls Club Of San Marcos</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1 Positive Pl</AddressLine1Txt>
          <CityNm>San Marcos</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>92069</ZIPCd>
        </USAddress>
        <RecipientEIN>953330218</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>40000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Private subaward: Best Buy Clubhouse Expansion</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Boys &amp; Girls Clubs of Bellevue</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>209 100th Ave NE</AddressLine1Txt>
          <CityNm>Bellevue</CityNm>
          <StateAbbreviationCd>WA</StateAbbreviationCd>
          <ZIPCd>98004</ZIPCd>
        </USAddress>
        <RecipientEIN>910776451</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>34000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Private subaward: Best Buy Clubhouse Expansion</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Boys &amp; Girls Clubs of Greater Washington</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>4103 Benning Rd NE</AddressLine1Txt>
          <CityNm>Washington</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20019</ZIPCd>
        </USAddress>
        <RecipientEIN>526045753</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>34000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Private subaward: Best Buy Clubhouse Expansion</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Pascua Yaqui Tribe</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>7474 South Camino de Oeste</AddressLine1Txt>
          <CityNm>Tucson</CityNm>
          <StateAbbreviationCd>AZ</StateAbbreviationCd>
          <ZIPCd>857469308</ZIPCd>
        </USAddress>
        <RecipientEIN>860203228</RecipientEIN>
        <IRCSectionDesc>Tribal Govt</IRCSectionDesc>
        <CashGrantAmt>20000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Private subaward: Best Buy Clubhouse Expansion</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Northwest Community Programs Inc</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>18100 Meyers Rd</AddressLine1Txt>
          <CityNm>Detroit</CityNm>
          <StateAbbreviationCd>MI</StateAbbreviationCd>
          <ZIPCd>48235</ZIPCd>
        </USAddress>
        <RecipientEIN>382106390</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>20000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Private subaward: Best Buy Clubhouse Expansion</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Las Vegas-Clark County Library District Foundation</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>7060 W Windmill Lane</AddressLine1Txt>
          <CityNm>Las Vegas</CityNm>
          <StateAbbreviationCd>NV</StateAbbreviationCd>
          <ZIPCd>89113</ZIPCd>
        </USAddress>
        <RecipientEIN>270035192</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>10000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Private subaward: Best Buy Clubhouse Expansion</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Boys &amp; Girls Club Of Hudson County</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1 Canal St</AddressLine1Txt>
          <CityNm>Jersey City</CityNm>
          <StateAbbreviationCd>NJ</StateAbbreviationCd>
          <ZIPCd>07302</ZIPCd>
        </USAddress>
        <RecipientEIN>221918943</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>10000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Private subaward: Best Buy Clubhouse Expansion</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Frost Museum of Science</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>3280 S Miami Ave</AddressLine1Txt>
          <CityNm>Miami</CityNm>
          <StateAbbreviationCd>FL</StateAbbreviationCd>
          <ZIPCd>33133</ZIPCd>
        </USAddress>
        <RecipientEIN>590854960</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>6000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>n/a</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>n/a</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Private subaward: Best Buy Clubhouse Expansion</PurposeOfGrantTxt>
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      <Total501c3OrgCnt>29</Total501c3OrgCnt>
      <TotalOtherOrgCnt>1</TotalOtherOrgCnt>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Admission fee waivers</GrantTypeTxt>
        <RecipientCnt>18358</RecipientCnt>
        <CashGrantAmt>0</CashGrantAmt>
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        <ValuationMethodUsedDesc>Retail price</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>Fee waiver</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
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        <CashGrantAmt>0</CashGrantAmt>
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        <NonCashAssistanceDesc>Fee waiver</NonCashAssistanceDesc>
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      <GrantsOtherAsstToIndivInUSGrp>
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      <GrantsOtherAsstToIndivInUSGrp>
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      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule I, Part I, Line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>CASH GRANTS: The Museum's cash awards fall into three categories. A) Subawards under grants - These are monies passed through to institutions who have applied for government and private grants jointly with the Museum. The Museum monitors the subawardees' use of funds in accordance with the regulations governing such grants and the adequacy of this monitoring is audited annually under the provisions of OMB Circular A-133. B) Prizes and awards - The Museum administers two annual awards for the recognition of scientific publication and communication. As these awards are honoraria, monitoring of their use is not applicable. C) Stipends - These are payments to participants in professional development workshops offered by the Museum, or in pilot testing of Museum products and programs. As these payments are simple flat stipends based on number of workshop days, or on pilot test milestones, monitoring of their use is not applicable. NON-CASH GRANTS: The Museum also provides substantial non-cash "scholarships" for reduced-fee or no-fee participation in Museum programs for which a fee is usually charged. For these transactions, no funds are disbursed to the grantee; they are simply charged less, or not at all, for the program attended. Eligibility is determined in a number of ways, depending on the nature of the grantee. Schools are evaluated based on location in under-served neighborhoods or by percentage of free/reduced lunch program students. Community groups are evaluated on the basis of charitable status. Individual grantees are evaluated on the basis of income or residence in under-served areas. As the operation of these non-cash awards is entirely internal to the Museum, monitoring the use of the funds is also entirely internal and accomplished through the Museum's own accounting system.</ExplanationTxt>
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        <ExplanationTxt>The Compensation Committee of the Museum's Board meets twice yearly, once in spring and once in the late summer or early fall. The first meeting is focused on establishing a recommendation to the Finance Committee that budgets for the upcoming fiscal year's museum-wide merit increase pool. The second meeting is focused on the review of the performance of Key Employees and other senior leadership staff for the prior year and to approve the recommendations of the President/Director for any salary increases. In addition, the Committee reviews the performance and compensation of the President/Director and recommends any adjustment to compensation if warranted. In order to do this in a fully knowledgeable manner, the Committee annually reviews information obtained by the Vice President of Human Resources though a variety of resources. These resources include an outside survey group used to benchmark each of the senior management positions including the President/Director against local non-profit organizations that are of a similar size. In addition, the Museum uses public resources such as Guidestar to access salaries of key people in Museums located in metropolitan areas. Finally, the Museum participates in and receives information from local and regional salary surveys of other Museums in New England. This process gives a clear picture of local, regional, and national salary levels for its senior management. The Compensation Committee reviews this information in addition to the history of compensation increases, overall performance of the individual and of the Museum prior to approving or making recommendations for compensation increases.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Schedule J, Part I, Line 7</FormAndLineReferenceDesc>
        <ExplanationTxt>The bonuses shown in column B(ii) represent discretionary payments made due to the Museum's operating results for the then-recently-completed fiscal year significantly exceeding expectations.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Schedule M, Part I</FormAndLineReferenceDesc>
        <ExplanationTxt>In addition to the donated property reported in this Schedule, the Museum benefits from the time contributed by over 400 volunteers. This year, these volunteers contributed 34,953 hours (17 FTEs), with an equivalent value of $600,482.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 4</FormAndLineReferenceDesc>
        <ExplanationTxt>On 6/19/17, the Museum's By-laws were amended as follows: * The Chair of the Innovators was changed from a Non-Elected Voting Trustee to a Non-Voting Trustee. * The acceptable means of delivering notice of meetings were expanded to include electronic means other than e-mail. * The composition of the Museum's Executive Committee was changed to include the Chair of the Governance Committee and to exclude the Chair of the Program Advisory Committee (which has been dissolved). * The Museum's Institutional Review Board ceased to be a separate standing committee and is now a group reporting to the Audit and Risk Management Committee. * The members of each standing committee are now appointed by the Chair of the Board and approved by the Voting Trustees. Previously, members were appointed directly by the Voting Trustees. * The article specifying the composition of standing committees has been clarified to note that while Overseers may serve on such committees, they do so as non-voting members. * Committee members who are Voting Trustees serve 3-year renewable terms, staggered to afford the opportunity for ongoing membership turnover. Previously no terms were specified. * Committee Chairs serve 2-year renewable terms. Previously no terms were specified. * Policies relating to the appointment, duties, and powers of Ad Hoc Committees and Task Forces have been clarified, including the introduction of a provision that such bodies shall be established for fixed terms. * A provision was introduced whereby the Governance Committee is charged with the review and approval of the charters of all committees except the Executive Committee.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Museum's Form 990 is prepared by the staff of the Accounting Department and reviewed by the CFO. It is also reviewed and analyzed by the Museum's outside Auditors. It is then presented to the Audit Committee of the Museum's Board for further review and approval. After Audit Committee approval, the final version of Form 990 is provided to all members of the Museum's Board before the form is filed.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Upon election/hiring, and annually thereafter, all Museum Trustees, Overseers (an advisory, but non-governing body), and Key Employees are required to fill out a Conflict of Interest form which solicits detailed information about associations with companies, organizations, and each other which may represent a conflict of interest with respect to the Museum. The forms are reviewed at least annually by both the Assistant Controller and the CFO to identify any reported conflicts which may require disclosure and/or further follow-up. Using publicly available sources, additional research is undertaken by Museum staff to identify business and organizational associations which were not reported on the Conflict of Interest forms. With respect to business relationships between the Museum and companies associated with Trustees or Key Employees, it is the Museum's policy to subject such companies to the same procurement policies, procedures, and requirements as it applies to other, nonrelated, firms.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>The Compensation Committee of the Museum's Board meets twice yearly, once in spring and once in the late summer or early fall. The first meeting is focused on establishing a recommendation to the Finance Committee that budgets for the upcoming fiscal year's museum-wide merit increase pool. The second meeting is focused on the review of the performance of Key Employees and other senior leadership staff for the prior year and to approve the recommendations of the President/Director for any salary increases. In addition, the Committee reviews the performance and compensation of the President/Director and recommends any adjustment to compensation if warranted. In order to do this in a fully knowledgeable manner, the Committee annually reviews information obtained by the Vice President of Human Resources though a variety of resources. These resources include an outside survey group used to benchmark each of the senior management positions including the President/Director against local non-profit organizations that are of a similar size. In addition, the Museum uses public resources such as Guidestar to access salaries of key people in Museums located in metropolitan areas. Finally, the Museum participates in and receives information from local and regional salary surveys of other Museums in New England. This process gives a clear picture of local, regional, and national salary levels for its senior management. The Compensation Committee reviews this information in addition to the history of compensation increases, overall performance of the individual and of the Museum prior to approving or making recommendations for compensation increases.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>The Museum's financial statements, Form 990, and other key documents are available in either hard copy or electronically upon request. Form 990 is also available through publicly accessible websites such as Guidestar.org. The audited financial statements are available on the Museum's website at http://www.mos.org/annual-reports.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, Line 9</FormAndLineReferenceDesc>
        <ExplanationTxt>Change in value of split interest agreements $1,589,405; amortization of liability $205,140; rounding variances -$2.</ExplanationTxt>
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