﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2024v5.2" xsi:schemaLocation="http://www.irs.gov/efile">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-08-05T12:41:35-07:00</ReturnTs>
    <TaxPeriodEndDt>2024-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>201403280</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>FULTON &amp; KOZAK LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>7187 JONESBORO RD STE 100A</AddressLine1Txt>
        <CityNm>MORROW</CityNm>
        <StateAbbreviationCd>GA</StateAbbreviationCd>
        <ZIPCd>30260</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>841215290</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>SPACE SCIENCE INSTITUTE</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>SPAC</BusinessNameControlTxt>
      <PhoneNum>7209745888</PhoneNum>
      <USAddress>
        <AddressLine1Txt>4765 WALNUT STREET B</AddressLine1Txt>
        <CityNm>BOULDER</CityNm>
        <StateAbbreviationCd>CO</StateAbbreviationCd>
        <ZIPCd>80301</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>MICHAEL WOLFF</PersonNm>
      <PersonTitleTxt>Executive Dir.</PersonTitleTxt>
      <SignatureDt>2025-07-29</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>SHEILA M KOZAK CPA</PreparerPersonNm>
      <PTIN>P00687026</PTIN>
      <PhoneNum>7709614200</PhoneNum>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="7">
    <IRS990 documentId="IRS990" referenceDocumentId="IRS990ScheduleO" softwareId="24020490" softwareVersionNum="2024v5.2">
      <USAddress>
        <AddressLine1Txt>4765 WALNUT STREET B</AddressLine1Txt>
        <CityNm>BOULDER</CityNm>
        <StateAbbreviationCd>CO</StateAbbreviationCd>
        <ZIPCd>80301</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>8909056</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>false</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1992</FormationYr>
      <LegalDomicileStateCd>CO</LegalDomicileStateCd>
      <ActivityOrMissionDesc>the space science institute is shaping our future by enabling scientists to advance our understanding of earth and the universe; increasing science and technology literacy for people of all ages and backgrounds; and inspiring youth to pursue science-technology education and career opportunities.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>9</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>9</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>82</TotalEmployeeCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <PYContributionsGrantsAmt>9180619</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>8907132</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>29908</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>0</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>2204</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>-5453</CYInvestmentIncomeAmt>
      <CYOtherRevenueAmt>0</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>9212731</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>8901679</CYTotalRevenueAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>7407476</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>7025422</CYSalariesCompEmpBnftPaidAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>4602</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>3319679</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>2171917</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>10727155</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>9197339</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>-1514424</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>-295660</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>3568040</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>2282330</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>2366411</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>1376361</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>1201629</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>905969</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>the space science institute is shaping our future by enabling scientists to advance our understanding of earth and the universe; increasing science and technology literacy for people of all ages and backgrounds; and inspiring youth to pursue science-technology education and career opportunities.</MissionDesc>
      <SignificantNewProgramSrvcInd>false</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>false</SignificantChangeInd>
      <ExpenseAmt>6815907</ExpenseAmt>
      <Desc>the organization conducts programs in basic science research, education and public outreach, and programs which integrate the two. services of scientists and educators are engaged in research and explore space and disseminate the information to private, government, and public sectors.</Desc>
      <TotalProgramServiceExpensesAmt>6815907</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="IRS990ScheduleA">true</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="IRS990ScheduleB">true</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="IRS990ScheduleD">false</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="IRS990ScheduleD">false</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="IRS990ScheduleD">false</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="IRS990ScheduleD">false</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd referenceDocumentId="IRSScheduleD">false</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="IRS990ScheduleD">true</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="IRS990ScheduleD">false</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="IRS990ScheduleD">false</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="IRS990ScheduleD">true</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="IRS990ScheduleD">true</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="IRS990ScheduleD">true</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="IRS990ScheduleD">true</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="IRS990ScheduleD">false</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <ForeignOfficeInd>true</ForeignOfficeInd>
      <ForeignActivitiesInd referenceDocumentId="IRS990ScheduleF">true</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd referenceDocumentId="IRS990ScheduleF">false</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd referenceDocumentId="IRS990ScheduleF">false</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>false</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>false</FundraisingActivitiesInd>
      <GamingActivitiesInd>false</GamingActivitiesInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <GrantsToOrganizationsInd>false</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>false</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="IRS990ScheduleJ">true</ScheduleJRequiredInd>
      <TaxExemptBondsInd>false</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>false</PYExcessBenefitTransInd>
      <LoanOutstandingInd>false</LoanOutstandingInd>
      <GrantToRelatedPersonInd>false</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>false</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>false</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>false</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>false</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>false</DeductibleArtContributionInd>
      <TerminateOperationsInd>false</TerminateOperationsInd>
      <PartialLiquidationInd>false</PartialLiquidationInd>
      <DisregardedEntityInd>false</DisregardedEntityInd>
      <RelatedEntityInd>false</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd>false</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>true</ScheduleORequiredInd>
      <IRPDocumentCnt>16</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>true</BackupWthldComplianceInd>
      <EmployeeCnt>82</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>true</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>false</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>false</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>false</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>false</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>false</Form8282PropertyDisposedOfInd>
      <Form8282FiledCnt>0</Form8282FiledCnt>
      <RcvFndsToPayPrsnlBnftCntrctInd>false</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>false</PayPremiumsPrsnlBnftCntrctInd>
      <Form8899Filedind>false</Form8899Filedind>
      <Form1098CFiledInd>false</Form1098CFiledInd>
      <IndoorTanningServicesInd>false</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>false</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>false</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>9</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>9</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>false</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>false</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>false</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>false</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>false</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>false</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>false</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>true</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>false</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>false</OfficerMailingAddressInd>
      <LocalChaptersInd>false</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>true</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>true</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>true</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>true</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>true</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>true</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>true</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>false</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>false</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>AR</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>CA</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>CO</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>FL</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>IL</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>KY</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>MA</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>MD</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>NJ</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>NM</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>OR</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>RI</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>SC</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>UT</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>WI</StatesWhereCopyOfReturnIsFldCd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <PersonNm>CARL WUTH</PersonNm>
        <PhoneNum>7209745888</PhoneNum>
        <USAddress>
          <AddressLine1Txt>4765 WALNUT STREET STE B</AddressLine1Txt>
          <CityNm>BOULDER</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80301</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR JOSEPH BOROVSKY</PersonNm>
        <TitleTxt>SR RESEARCH SCIENT</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <ReportableCompFromOrgAmt>300792</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>44476</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CARL R WUTH II</PersonNm>
        <TitleTxt>DIR OF BUS OPER</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>226642</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>45438</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR MARK LEMMON</PersonNm>
        <TitleTxt>SR RESEARCH SCIENT</TitleTxt>
        <AverageHoursPerWeekRt>34.90</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <ReportableCompFromOrgAmt>246151</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>25375</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR RALPH SHUPING</PersonNm>
        <TitleTxt>DEPUTY DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>34.60</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>216292</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>21162</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR JAMES HAROLD</PersonNm>
        <TitleTxt>DIR INFO SYS &amp; TEC</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <ReportableCompFromOrgAmt>189457</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>41971</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR MICHAEL WOLFF</PersonNm>
        <TitleTxt>Executive Dir.</TitleTxt>
        <AverageHoursPerWeekRt>38.10</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>181994</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>42912</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR JULIANNE MOSES</PersonNm>
        <TitleTxt>SR RESEARCH SCIENT</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <ReportableCompFromOrgAmt>182367</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>40387</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR VADIM ROYTERSHTEYN</PersonNm>
        <TitleTxt>SR RESEARCH SCIENT</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <ReportableCompFromOrgAmt>156017</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>15890</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JENNIFER GRIEST</PersonNm>
        <TitleTxt>Secretary</TitleTxt>
        <AverageHoursPerWeekRt>20.70</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>109187</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>10113</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR KARLY M PITMAN</PersonNm>
        <TitleTxt>Executive Dir.</TitleTxt>
        <AverageHoursPerWeekRt>19.30</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>106518</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>11001</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR DOUGLASS DUNCAN</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ERICA RODGERS-HEUSINKVELD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MIKE GAZARIK</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LISA MAY</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR MORGAN WINDSOR</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR STEVE JOLLY</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR JACK BURNS</PersonNm>
        <TitleTxt>VICE CHAIRMAN</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR GARY ZARLENGO</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR BILL PURCELL</PersonNm>
        <TitleTxt>Chairman</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>1915417</TotalReportableCompFromOrgAmt>
      <TotalOtherCompensationAmt>298725</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>17</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>false</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>true</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>false</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>EDUCATION DEVELOPMENT CENTER INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>300 5TH AVE STE 2010</AddressLine1Txt>
            <CityNm>WALTHAM</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02451</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>EVALUATION OF ED PROG</ServicesDesc>
        <CompensationAmt>121615</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>INSTITUTE OF LEARNING INNOVATION</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>9450 SW GEMINI DRIVE 79315</AddressLine1Txt>
            <CityNm>BEAVERTON</CityNm>
            <StateAbbreviationCd>OR</StateAbbreviationCd>
            <ZIPCd>97008</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>DEVELOPMENT OF ED PROG</ServicesDesc>
        <CompensationAmt>116838</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>2</CntrctRcvdGreaterThan100KCnt>
      <GovernmentGrantsAmt>8869664</GovernmentGrantsAmt>
      <AllOtherContributionsAmt>37468</AllOtherContributionsAmt>
      <TotalContributionsAmt>8907132</TotalContributionsAmt>
      <TotalProgramServiceRevenueAmt>0</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>1924</TotalRevenueColumnAmt>
        <ExclusionAmt>1924</ExclusionAmt>
      </InvestmentIncomeGrp>
      <IncmFromInvestBondProceedsGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </IncmFromInvestBondProceedsGrp>
      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </RoyaltiesRevenueGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetRentalIncomeOrLossGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <OtherAmt>7377</OtherAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <OtherAmt>-7377</OtherAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>-7377</TotalRevenueColumnAmt>
        <ExclusionAmt>-7377</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncmFromFundraisingEvtGrp>
      <NetIncomeFromGamingGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncomeFromGamingGrp>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncomeOrLossGrp>
      <OtherRevenueTotalAmt>0</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>8901679</TotalRevenueColumnAmt>
        <ExclusionAmt>-5453</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>0</TotalAmt>
      </GrantsToDomesticOrgsGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>0</TotalAmt>
      </GrantsToDomesticIndividualsGrp>
      <ForeignGrantsGrp>
        <TotalAmt>0</TotalAmt>
      </ForeignGrantsGrp>
      <BenefitsToMembersGrp>
        <TotalAmt>0</TotalAmt>
      </BenefitsToMembersGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>2214144</TotalAmt>
        <ProgramServicesAmt>1233008</ProgramServicesAmt>
        <ManagementAndGeneralAmt>981136</ManagementAndGeneralAmt>
      </CompCurrentOfcrDirectorsGrp>
      <CompDisqualPersonsGrp>
        <TotalAmt>0</TotalAmt>
      </CompDisqualPersonsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>3037973</TotalAmt>
        <ProgramServicesAmt>2828752</ProgramServicesAmt>
        <ManagementAndGeneralAmt>207853</ManagementAndGeneralAmt>
        <FundraisingAmt>1368</FundraisingAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>234219</TotalAmt>
        <ProgramServicesAmt>173669</ProgramServicesAmt>
        <ManagementAndGeneralAmt>60413</ManagementAndGeneralAmt>
        <FundraisingAmt>137</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>1126699</TotalAmt>
        <ProgramServicesAmt>899373</ProgramServicesAmt>
        <ManagementAndGeneralAmt>226889</ManagementAndGeneralAmt>
        <FundraisingAmt>437</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>412387</TotalAmt>
        <ProgramServicesAmt>308124</ProgramServicesAmt>
        <ManagementAndGeneralAmt>104148</ManagementAndGeneralAmt>
        <FundraisingAmt>115</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesManagementGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>7077</TotalAmt>
        <ManagementAndGeneralAmt>7077</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>46935</TotalAmt>
        <ManagementAndGeneralAmt>46935</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForServicesProfFundraising>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesProfFundraising>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>34530</TotalAmt>
        <ProgramServicesAmt>2741</ProgramServicesAmt>
        <ManagementAndGeneralAmt>31789</ManagementAndGeneralAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>0</TotalAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>0</TotalAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>0</TotalAmt>
      </InformationTechnologyGrp>
      <RoyaltiesGrp>
        <TotalAmt>0</TotalAmt>
      </RoyaltiesGrp>
      <OccupancyGrp>
        <TotalAmt>297812</TotalAmt>
        <ManagementAndGeneralAmt>297812</ManagementAndGeneralAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>313001</TotalAmt>
        <ProgramServicesAmt>279704</ProgramServicesAmt>
        <ManagementAndGeneralAmt>33297</ManagementAndGeneralAmt>
      </TravelGrp>
      <PymtTravelEntrtnmntPubOfclGrp>
        <TotalAmt>0</TotalAmt>
      </PymtTravelEntrtnmntPubOfclGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>0</TotalAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>16893</TotalAmt>
        <ManagementAndGeneralAmt>16893</ManagementAndGeneralAmt>
      </InterestGrp>
      <PaymentsToAffiliatesGrp>
        <TotalAmt>0</TotalAmt>
      </PaymentsToAffiliatesGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>186593</TotalAmt>
        <ManagementAndGeneralAmt>186593</ManagementAndGeneralAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>31393</TotalAmt>
        <ManagementAndGeneralAmt>31393</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>SUBCONTRACTORS</Desc>
        <TotalAmt>855195</TotalAmt>
        <ProgramServicesAmt>855195</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>COMPUTING EXPENSES</Desc>
        <TotalAmt>95966</TotalAmt>
        <ProgramServicesAmt>27531</ProgramServicesAmt>
        <ManagementAndGeneralAmt>68435</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>MUSEUM EXHIBITS TOUR COSTS</Desc>
        <TotalAmt>62621</TotalAmt>
        <ProgramServicesAmt>62621</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>PARTICIPANT SUPPORT COSTS</Desc>
        <TotalAmt>36348</TotalAmt>
        <ProgramServicesAmt>36348</ProgramServicesAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>187553</TotalAmt>
        <ProgramServicesAmt>108841</ProgramServicesAmt>
        <ManagementAndGeneralAmt>76167</ManagementAndGeneralAmt>
        <FundraisingAmt>2545</FundraisingAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>9197339</TotalAmt>
        <ProgramServicesAmt>6815907</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2376830</ManagementAndGeneralAmt>
        <FundraisingAmt>4602</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>1510447</BOYAmt>
        <EOYAmt>539030</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <EOYAmt>244256</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <EOYAmt>0</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <BOYAmt>1205577</BOYAmt>
        <EOYAmt>969567</EOYAmt>
      </AccountsReceivableGrp>
      <ReceivablesFromOfficersEtcGrp>
        <EOYAmt>0</EOYAmt>
      </ReceivablesFromOfficersEtcGrp>
      <RcvblFromDisqualifiedPrsnGrp>
        <EOYAmt>0</EOYAmt>
      </RcvblFromDisqualifiedPrsnGrp>
      <OthNotesLoansReceivableNetGrp>
        <EOYAmt>0</EOYAmt>
      </OthNotesLoansReceivableNetGrp>
      <InventoriesForSaleOrUseGrp>
        <EOYAmt>0</EOYAmt>
      </InventoriesForSaleOrUseGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>68417</BOYAmt>
        <EOYAmt>87130</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>727368</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>659828</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>357981</BOYAmt>
        <EOYAmt>67540</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <EOYAmt>0</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <InvestmentsOtherSecuritiesGrp>
        <EOYAmt>0</EOYAmt>
      </InvestmentsOtherSecuritiesGrp>
      <InvestmentsProgramRelatedGrp>
        <EOYAmt>0</EOYAmt>
      </InvestmentsProgramRelatedGrp>
      <IntangibleAssetsGrp>
        <EOYAmt>116853</EOYAmt>
      </IntangibleAssetsGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>425618</BOYAmt>
        <EOYAmt>257954</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>3568040</BOYAmt>
        <EOYAmt>2282330</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>1011854</BOYAmt>
        <EOYAmt>700424</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>179149</BOYAmt>
        <EOYAmt>8414</EOYAmt>
      </DeferredRevenueGrp>
      <UnsecuredNotesLoansPayableGrp>
        <BOYAmt>475500</BOYAmt>
        <EOYAmt>394724</EOYAmt>
      </UnsecuredNotesLoansPayableGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>699908</BOYAmt>
        <EOYAmt>272799</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>2366411</BOYAmt>
        <EOYAmt>1376361</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>560155</BOYAmt>
        <EOYAmt>607238</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>641474</BOYAmt>
        <EOYAmt>298731</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>1201629</BOYAmt>
        <EOYAmt>905969</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>3568040</BOYAmt>
        <EOYAmt>2282330</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-295660</ReconcilationRevenueExpnssAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>true</FederalGrantAuditRequiredInd>
      <FederalGrantAuditPerformedInd>true</FederalGrantAuditPerformedInd>
    </IRS990>
    <IRS990ScheduleA documentId="IRS990ScheduleA" softwareId="24020490" softwareVersionNum="2024v5.2">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>7880340</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>7559289</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>11850126</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>9180619</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>8907132</CurrentTaxYearAmt>
        <TotalAmt>45377506</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TaxRevLeviedOrgnztnlBnft170Grp>
        <TotalAmt>0</TotalAmt>
      </TaxRevLeviedOrgnztnlBnft170Grp>
      <GovtFurnSrvcFcltsVl170Grp>
        <TotalAmt>0</TotalAmt>
      </GovtFurnSrvcFcltsVl170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>7880340</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>7559289</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>11850126</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>9180619</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>8907132</CurrentTaxYearAmt>
        <TotalAmt>45377506</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>2846991</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>42530515</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>155</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>66</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>935</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2204</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1924</CurrentTaxYearAmt>
        <TotalAmt>5284</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <UnrelatedBusinessNetIncm170Grp>
        <TotalAmt>0</TotalAmt>
      </UnrelatedBusinessNetIncm170Grp>
      <OtherIncome170Grp>
        <TotalAmt>0</TotalAmt>
      </OtherIncome170Grp>
      <TotalSupportAmt>45382790</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>29908</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.93720</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.93620</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="IRS990ScheduleB" softwareId="24020490" softwareVersionNum="2024v5.2">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="IRS990ScheduleD" softwareId="24020490" softwareVersionNum="2024v5.2">
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>363812</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>347855</DepreciationAmt>
        <BookValueAmt>15957</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>363556</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>311973</DepreciationAmt>
        <BookValueAmt>51583</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>67540</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>RIGHT OF USE ASSET</Desc>
        <BookValueAmt>257954</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>257954</TotalBookValueOtherAssetsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>LEASE LIABILITY</Desc>
        <Amt>272799</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>272799</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>8909056</TotalRevEtcAuditedFinclStmtAmt>
      <RevenueSubtotalAmt>8909056</RevenueSubtotalAmt>
      <OtherRevenuesNotIncludedAmt>-7377</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>-7377</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>8901679</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>9204716</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>7377</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>7377</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>9197339</ExpensesSubtotalAmt>
      <TotalExpensesPerForm990Amt>9197339</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X : FIN48 Footnote</FormAndLineReferenceDesc>
        <ExplanationTxt>The Institute is exempt from federal income taxes under Section 501(c)(3) of the Internal Revenue Code. The Institute qualifies for the charitable contribution deduction under Section 170(b)(1)(A)(vi) and has been classified as a nonprofit other than a private foundation under Section 509(a)(1). However, income from activities not directly related to the Institutes tax exempt purpose is subject to taxation as unrelated business income. The Institute had no unrelated business income during the years ended December 31, 2024 and 2023.The Institute believes that it has conducted its operations in accordance with, and has properly maintained, its tax-exempt status and that it has taken no materially uncertain tax positions that qualify for recognition or disclosure in the financial statements.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 2d: Other expenses and losses per audited F/S</FormAndLineReferenceDesc>
        <ExplanationTxt>LOSS ON DISPOSAL OF FIXED ASSET $7377</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="IRS990ScheduleF" softwareId="24020490" softwareVersionNum="2024v5.2">
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>TRAVEL TO CONFERENCES</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>7111</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>BASIC SCIENTIFIC RESEARCH</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>43317</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>12</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>TRAVEL TO CONFERENCE</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>46661</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>BASIC SCIENTIFIC RESEARCH</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>109874</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>TRAVEL TO CONFERENCES</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>3050</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>SOUTH ASIA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>TRAVEL TO CONFERENCES</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>2506</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalEmployeesCnt>17</SubtotalEmployeesCnt>
      <TotalEmployeeCnt>17</TotalEmployeeCnt>
      <SubtotalSpentAmt>212519</SubtotalSpentAmt>
      <TotalSpentAmt>212519</TotalSpentAmt>
      <TransferToForeignCorpInd>false</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>false</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>false</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>false</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>false</ForeignPartnershipInd>
      <BoycottCountriesInd>false</BoycottCountriesInd>
    </IRS990ScheduleF>
    <IRS990ScheduleJ documentId="IRS990ScheduleJ" softwareId="24020490" softwareVersionNum="2024v5.2">
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>false</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>false</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>false</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>false</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>false</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>false</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>CARL R WUTH II</PersonNm>
        <TitleTxt>DIR OF BUS OPER</TitleTxt>
        <BaseCompensationFilingOrgAmt>207905</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>18737</BonusFilingOrganizationAmount>
        <DeferredCompensationFlngOrgAmt>21207</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>24231</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>272080</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DR JAMES HAROLD</PersonNm>
        <TitleTxt>DIR INFO SYS &amp; TEC</TitleTxt>
        <BaseCompensationFilingOrgAmt>175266</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>13641</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>550</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>17527</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>24444</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>231428</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DR JOSEPH BOROVSKY</PersonNm>
        <TitleTxt>SR RESEARCH SCIENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>295818</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>4974</BonusFilingOrganizationAmount>
        <DeferredCompensationFlngOrgAmt>30164</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>14312</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>345268</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DR JULIANNE MOSES</PersonNm>
        <TitleTxt>SR RESEARCH SCIENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>178552</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>3815</BonusFilingOrganizationAmount>
        <DeferredCompensationFlngOrgAmt>18020</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>22367</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>222754</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DR MARK LEMMON</PersonNm>
        <TitleTxt>SR RESEARCH SCIENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>242498</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>2860</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>793</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>24250</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>1125</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>271526</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DR MICHAEL WOLFF</PersonNm>
        <TitleTxt>Executive Dir.</TitleTxt>
        <BaseCompensationFilingOrgAmt>178309</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>3685</BonusFilingOrganizationAmount>
        <DeferredCompensationFlngOrgAmt>18403</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>24509</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>224906</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DR RALPH SHUPING</PersonNm>
        <TitleTxt>DEPUTY DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>201091</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>14386</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>815</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>20109</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>1053</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>237454</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DR VADIM ROYTERSHTEYN</PersonNm>
        <TitleTxt>SR RESEARCH SCIENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>151069</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>4352</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>596</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>15107</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>783</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>171907</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="24020490" softwareVersionNum="2024v5.2">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 8b</FormAndLineReferenceDesc>
        <ExplanationTxt>There were no committees with authority to act on behalf of the board.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>the form 990 is prepared by the organization's public accounting firm based on information provided by management. once a draft of the filing is available, an electronic copy of the complete draft form 990 is made available to the board of directors for their review prior to the filing of the return.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>all conflicts of interest are required to be disclosed by employees, officers and agents to the board of directors by communicating any potential conflicts of interest directly to the board at the time of the potential conflict arises. review of potential conflicts may take place initially in the business office, depending on the individual's place in the organization's hierarchy. individuals with a conflict of interest with a potential contractor may not participate in the selection of the contractors for that particular opportunity. board members with a conflict of interest must recuse themselves from any votes related to the conflicted parties. board approval is required before a situation is allowed to move forward where there is potential conflict of interest involving a board member. any discussion of potential conflicts of interest pertaining to board members is documented in the board minutes. all employees are informed of the policy during orientation and it is reviewed during annual ethics training. business office personnel receive additional training on conflicts of interest and are responsible for bringing potential conflicts of interest to management's attention.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>the board of directors performs the executive director's annual review and determines compensation based on the performance evaluation and also the compensation and performance evaluation policy, which applies to both the executive director and other senior staff of the organization. as part of this policy, an independent salary benchmark study is revisited every two or three years. this was last performed in 2023.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S ACCOUNTANT PROVIDES A COPY OF FORM 990 SPECIFICALLY FOR PUBLIC INSPECTION. THE FORM IS AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>