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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>KYOUNG-SHIN CHOI</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>NERISSA DRAEGER</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>CLAUDIA FELSER</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CHINEDUM O OSUJI</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
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        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CHEOLMIN PARK</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ALBERTO SALLEO</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>HAIYAN WANG</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>WILLIAM S WONG</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>TODD M OSMAN</PersonNm>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MALLORY STARR</PersonNm>
        <TitleTxt>DIRECTOR OF FINANCE AND ADMIN.</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>28043</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>EILEEN KILEY</PersonNm>
        <TitleTxt>DIRECTOR OF PROGRAMS</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>176896</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>18364</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>GOPAL RAO</PersonNm>
        <TitleTxt>CHIEF EDITOR FOR TECHNICAL</TitleTxt>
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        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>123963</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>26457</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BETH POWELL</PersonNm>
        <TitleTxt>SR. MEETINGS &amp; EXHIBITS MANAGER</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>108313</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>19876</OtherCompensationAmt>
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      <TotalReportableCompFromOrgAmt>875753</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>135646</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>5</IndivRcvdGreaterThan100KCnt>
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      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>PROJECTION VIDEO SERVICES INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>5803 ROLLING RD STE 207</AddressLine1Txt>
            <CityNm>SPRINGFIELD</CityNm>
            <StateAbbreviationCd>VA</StateAbbreviationCd>
            <ZIPCd>22152</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>MEETING AUDIO VISUAL SERVICES</ServicesDesc>
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      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>CONFERENCEDIRECT LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>193 BLUE RAVINE ROAD SUITE 190</AddressLine1Txt>
            <CityNm>FOLSOM</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>95630</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>VIRTUAL AND ON-SITE MEETING SERVICES</ServicesDesc>
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      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>SMG FOOD AND BEVERAGE LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>747 HOWARD ST</AddressLine1Txt>
            <CityNm>SAN FRANCISCO</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>94103</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>MEETING FOOD AND BEVERAGE SERVICES</ServicesDesc>
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      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>FREEMAN</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO BOX 734596</AddressLine1Txt>
            <CityNm>DALLAS</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>75373</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>MEETING GENERAL CONTRACTOR SERVICES</ServicesDesc>
        <CompensationAmt>300468</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>CLARIVATE ANALYTICS (US) LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO BOX 3772</AddressLine1Txt>
            <CityNm>CAROL STREAM</CityNm>
            <StateAbbreviationCd>IL</StateAbbreviationCd>
            <ZIPCd>30132</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>ABSTRACTS PROCESSING</ServicesDesc>
        <CompensationAmt>289222</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>18</CntrctRcvdGreaterThan100KCnt>
      <GovernmentGrantsAmt>131820</GovernmentGrantsAmt>
      <AllOtherContributionsAmt>579633</AllOtherContributionsAmt>
      <TotalContributionsAmt>711453</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>REGISTRATION FEES</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>6184693</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>5339093</RelatedOrExemptFuncIncomeAmt>
        <ExclusionAmt>845600</ExclusionAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP DUES &amp; RELATED SERVICE</Desc>
        <BusinessCd>513120</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>1188744</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>ADVOCACY REVENUE</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>31799</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>31799</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>7405236</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>314371</TotalRevenueColumnAmt>
        <ExclusionAmt>314371</ExclusionAmt>
      </InvestmentIncomeGrp>
      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>1296883</TotalRevenueColumnAmt>
        <ExclusionAmt>1296883</ExclusionAmt>
      </RoyaltiesRevenueGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>388000</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>171194</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>216806</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>216806</TotalRevenueColumnAmt>
        <ExclusionAmt>216806</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
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        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>441777</TotalRevenueColumnAmt>
        <ExclusionAmt>441777</ExclusionAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueMiscGrp>
        <Desc>ADVERTISING</Desc>
        <BusinessCd>541800</BusinessCd>
        <TotalRevenueColumnAmt>76976</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>76976</UnrelatedBusinessRevenueAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>518753</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>10463502</TotalRevenueColumnAmt>
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        <UnrelatedBusinessRevenueAmt>76976</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>3115437</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>3920</TotalAmt>
        <ProgramServicesAmt>3920</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>36200</TotalAmt>
        <ProgramServicesAmt>36200</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <ForeignGrantsGrp>
        <TotalAmt>30800</TotalAmt>
        <ProgramServicesAmt>30800</ProgramServicesAmt>
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      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>732792</TotalAmt>
        <ProgramServicesAmt>450027</ProgramServicesAmt>
        <ManagementAndGeneralAmt>281878</ManagementAndGeneralAmt>
        <FundraisingAmt>887</FundraisingAmt>
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        <TotalAmt>2289822</TotalAmt>
        <ProgramServicesAmt>1406242</ProgramServicesAmt>
        <ManagementAndGeneralAmt>880808</ManagementAndGeneralAmt>
        <FundraisingAmt>2772</FundraisingAmt>
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      <PensionPlanContributionsGrp>
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        <ProgramServicesAmt>69663</ProgramServicesAmt>
        <ManagementAndGeneralAmt>43634</ManagementAndGeneralAmt>
        <FundraisingAmt>137</FundraisingAmt>
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        <TotalAmt>441078</TotalAmt>
        <ProgramServicesAmt>270878</ProgramServicesAmt>
        <ManagementAndGeneralAmt>169666</ManagementAndGeneralAmt>
        <FundraisingAmt>534</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>230597</TotalAmt>
        <ProgramServicesAmt>141615</ProgramServicesAmt>
        <ManagementAndGeneralAmt>88702</ManagementAndGeneralAmt>
        <FundraisingAmt>280</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>13672</TotalAmt>
        <ManagementAndGeneralAmt>13672</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>24976</TotalAmt>
        <ManagementAndGeneralAmt>24976</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>15188</TotalAmt>
        <ProgramServicesAmt>15188</ProgramServicesAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>10000</TotalAmt>
        <ManagementAndGeneralAmt>10000</ManagementAndGeneralAmt>
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      <FeesForServicesOtherGrp>
        <TotalAmt>919979</TotalAmt>
        <ProgramServicesAmt>783969</ProgramServicesAmt>
        <ManagementAndGeneralAmt>136010</ManagementAndGeneralAmt>
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      <AdvertisingGrp>
        <TotalAmt>47069</TotalAmt>
        <ProgramServicesAmt>44779</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2290</ManagementAndGeneralAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>68371</TotalAmt>
        <ProgramServicesAmt>43245</ProgramServicesAmt>
        <ManagementAndGeneralAmt>25126</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
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        <ProgramServicesAmt>160290</ProgramServicesAmt>
        <ManagementAndGeneralAmt>98242</ManagementAndGeneralAmt>
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      <OccupancyGrp>
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        <ProgramServicesAmt>69969</ProgramServicesAmt>
        <ManagementAndGeneralAmt>42884</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>363990</ProgramServicesAmt>
        <ManagementAndGeneralAmt>54374</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>74907</ProgramServicesAmt>
        <ManagementAndGeneralAmt>45910</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>53113</ProgramServicesAmt>
        <ManagementAndGeneralAmt>29398</ManagementAndGeneralAmt>
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        <Desc>SYMPOSIUM &amp; MEETING LOG</Desc>
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        <ProgramServicesAmt>2920134</ProgramServicesAmt>
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      <OtherExpensesGrp>
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        <ProgramServicesAmt>875823</ProgramServicesAmt>
        <ManagementAndGeneralAmt>86952</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
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        <TotalAmt>249394</TotalAmt>
        <ProgramServicesAmt>249394</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>EQUIPMENT RENTAL</Desc>
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        <ProgramServicesAmt>4111</ProgramServicesAmt>
        <ManagementAndGeneralAmt>29885</ManagementAndGeneralAmt>
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      <AllOtherExpensesGrp>
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        <ProgramServicesAmt>41022</ProgramServicesAmt>
        <ManagementAndGeneralAmt>8358</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>8109279</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2072765</ManagementAndGeneralAmt>
        <FundraisingAmt>4610</FundraisingAmt>
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        <EOYAmt>529574</EOYAmt>
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        <EOYAmt>1152446</EOYAmt>
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      <AccountsReceivableGrp>
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        <EOYAmt>306279</EOYAmt>
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      <PrepaidExpensesDefrdChargesGrp>
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        <EOYAmt>459865</EOYAmt>
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      <LandBldgEquipCostOrOtherBssAmt>6291562</LandBldgEquipCostOrOtherBssAmt>
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      <LandBldgEquipBasisNetGrp>
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        <EOYAmt>1114448</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
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        <EOYAmt>9137479</EOYAmt>
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        <BOYAmt>12074625</BOYAmt>
        <EOYAmt>12700091</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
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        <EOYAmt>1644990</EOYAmt>
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        <EOYAmt>1256031</EOYAmt>
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      <TotalLiabilitiesGrp>
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        <EOYAmt>2901021</EOYAmt>
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        <EOYAmt>8739830</EOYAmt>
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      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>917660</BOYAmt>
        <EOYAmt>1059240</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
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        <EOYAmt>9799070</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
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        <EOYAmt>12700091</EOYAmt>
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      <ReconcilationRevenueExpnssAmt>276848</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>503249</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
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      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>1148794</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>1573796</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1121979</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>882777</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>711453</CurrentTaxYearAmt>
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      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <IndependentConsultantInd>X</IndependentConsultantInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>1</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>TODD M OSMAN</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>334536</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>19435</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>16500</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>26406</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>396877</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>EILEEN KILEY</PersonNm>
        <TitleTxt>DIRECTOR OF PROGRAMS</TitleTxt>
        <BaseCompensationFilingOrgAmt>165951</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>10945</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>8440</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>9924</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>195260</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>GOPAL RAO</PersonNm>
        <TitleTxt>CHIEF EDITOR FOR TECHNICAL</TitleTxt>
        <BaseCompensationFilingOrgAmt>123963</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>6324</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>20133</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>150420</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>EMPLOYER CONTRIBUTION TO 457(F) NON-QUALIFIED DEFERRED COMPENSATION AGREEMENT FOR THE YEAR ENDED 12/31/2023 TODD M OSMAN: $13,520</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>BOARD COMMITTEES INCLUDE: 1) EXECUTIVE COMMITTEE (NO NON-BOARD MEMBERS) WHICH IS RESPONSIBLE FOR THE EFFECTIVE FUNCTIONING OF THE MRS BOARD AND FOR THE MAINTENANCE AND DEVELOPMENT OF THE BOARD/EXECUTIVE DIRECTOR WORKING RELATIONSHIP. 2) FINANCE AND AUDIT COMMITTEE (NO NON-BOARD MEMBERS) WHICH IS RESPONSIBLE FOR DEVELOPING AND OVERSEEING THE ANNUAL BUDGET, OVERSEEING MRS INVESTMENT PERFORMANCE, MONITORING RESERVE FUNDS, AND REVIEWING MONTHLY FINANCIAL STATEMENTS. 3) GOVERNANCE COMMITTEE (NO NON-BOARD MEMBERS) WHICH IS RESPONSIBLE FOR THE DEVELOPMENT OF MRS VOLUNTEER POLICIES AND OVERSEES MRS'S STANDARDS OF BEHAVIOR. THE GOVERNANCE COMMITTEE IS ALSO RESPONSIBLE FOR ADVISING THE NOMINATING COMMITTEE ON BOARD DEMOGRAPHICS. 4) NOMINATING COMMITTEE (MAY INCLUDE NON-BOARD MEMBERS) WHICH IS RESPONSIBLE FOR PREPARING A SLATE OF CANDIDATES FOR THE POSITIONS OF VICE PRESIDENT, SECRETARY, WHEN NECESSARY, AND DIRECTORS OF THE MATERIALS RESEARCH SOCIETY, FOR SUBMISSION TO THE BOARD OF DIRECTORS FOR APPROVAL. ADDITIONALLY, THIS COMMITTEE PROPOSES CANDIDATES FOR ANY VACANT POSITIONS ON THE BOARD, AND ASSISTS THE VICE PRESIDENT IN IDENTIFYING CANDIDATES FOR MEETING CHAIR AND VOLUME ORGANIZER APPOINTMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY CONSISTS OF MORE THAN 13,000 MEMBERS FROM THE UNITED STATES OF AMERICAN AND MORE THAN 90 OTHER COUNTRIES AND MEMBERS AND THE HEADQUARTERS STAFF WORK TOGETHER ENCOURAGING INTERDISCIPLINARY COMMUNICATION AND TECHNICAL INFORMATION EXCHANGE ACROSS THE VARIOUS FIELDS OF SCIENCE AFFECTING MATERIALS OF TECHNOLOGICAL IMPORTANCE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS OF THE SOCIETY ARE ENTITLED TO VOTE FOR DIRECTORS, FOR THE VICE PRESIDENT AND THE SECRETARY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS OF THE SOCIETY ARE ENTITLED TO VOTE ON AMENDMENTS TO THE CONSTITUTION; ON MEMBER-INITIATED REFERENDUMS RELATED TO BYLAWS ADOPTED OR CHANGED BY THE BOARD OF DIRECTORS; ON PROPOSALS SUBMITTED BY MEMBERS TO REMOVE OFFICERS OR DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD HAS APPOINTED THE FINANCE AND AUDIT COMMITTEE TO REVIEW THE 990 BEFORE SUBMISSION. THE 990 IS MADE AVAILABLE TO THE ENTIRE BOARD BEFORE SUBMISSION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH YEAR; DURING THE FALL BOARD MEETING, EACH BOARD MEMBER IS REQUIRED TO COMPLETE A CONFLICT OF INTEREST POLICY ACKNOWLEDGEMENT. THE EMPLOYEE CONFLICT OF INTEREST POLICY IS INCLUDED IN THE EMPLOYEE HANDBOOK, AND REQUIRES A SIGNATURE OF ACKNOWLEDGEMENT ON AN ANNUAL BASIS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUAL COMPENSATION ADJUSTMENTS ARE BASED ON INDIVIDUAL PERFORMANCE, MARKET INFLUENCES AND THE FINANCIAL PERFORMANCE OF THE SOCIETY. MARKET INFLUENCES INCLUDE: CPI INFORMATION, COMPARABILITY DATA FROM CONSULTANTS AND/OR BENCHMARK SURVEYS, INFORMATION FROM INDUSTRY WHERE APPLICABLE, AND COMPA RATIO METHOD ESTABLISHED IN PRIOR YEARS BY COMPENSATION CONSULTANTS. ALL COMPENSATION ADJUSTMENTS FOR STAFF ARE APPROVED BY THE EXECUTIVE DIRECTOR WITH COMPARABILITY DATA AND COMPENSATION FOR TOP MANAGEMENT STAFF BEING REVIEWED BY THE GOVERNANCE COMMITTEE THE EXECUTIVE DIRECTOR'S COMPENSATION ADJUSTMENT IS SET BY THE BOARD OF DIRECTORS. THE PROCESS DESCRIBED HERE WAS LAST COMPLETED IN 2024.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE GOVERNING DOCUMENTS, AND A FINANCIAL STATEMENT SUMMARY ARE AVAILABLE ON THE MRS WEBSITE. FINANCIAL STATEMENTS AND THE CONFLICT OF INTEREST POLICY ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>