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        <RecipientBusinessName>
          <BusinessNameLine1Txt>UNIVERSITY OF CHICAGO PRESS</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>5235 S HARPER COURTH 4TH FLOOR</AddressLine1Txt>
          <CityNm>CHICAGO</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60615</ZIPCd>
        </USAddress>
        <RecipientEIN>362177139</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>18951</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>ISIS DECEMBER 2022 (VOL 113 ISSUE 4). SPONSOR A SCHOLAR EXPENSE</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>4</Total501c3OrgCnt>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>NASA/HSS AEROSPACE HISTORY FELLOWSHIP 2022 GRANT</GrantTypeTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>21250</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>NSF GRANT REIMBURSEMENT</GrantTypeTxt>
        <RecipientCnt>27</RecipientCnt>
        <CashGrantAmt>13206</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>2022 HSS DEPENDENT CARE GRANT</GrantTypeTxt>
        <RecipientCnt>7</RecipientCnt>
        <CashGrantAmt>1230</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>NSF TRAVEL GRANT REIMBURSEMENT</GrantTypeTxt>
        <RecipientCnt>20</RecipientCnt>
        <CashGrantAmt>5060</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>NSF INT'L TRAVEL GRANT REIMBURSEMENT</GrantTypeTxt>
        <RecipientCnt>4</RecipientCnt>
        <CashGrantAmt>2317</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JOHN PAUL GUTIERREZ</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>172500</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>4200</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>7656</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>184356</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART V, LINE 13A</FormAndLineReferenceDesc>
        <ExplanationTxt>IN</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERSHIP IN THE HSS SHALL BE AVAILABLE TO INDIVIDUALS INTERESTED IN THE HISTORY OF SCIENCE, INDIVIDUALS HAVING AN INTEREST IN THE HSS AND SUPPORTING ITS PURPOSE, OR INDIVIDUALS OTHERWISE QUALIFYING FOR MEMBERSHIP UNDER CRITERIA ESTABLISHED BY THE COUNCIL FROM TIME TO TIME. THERE SHALL BE TWO (2) CLASSES OF MEMBERSHIP: REGULAR MEMBERS AND INSTITUTIONAL MEMBERS. REGULAR MEMBERS HAVE FULL VOTING PRIVILEGES, INCLUDING THE ELECTION OF MEMBERS OF THE COUNCIL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>COUNCIL MEMBERS AT-LARGE SHALL BE ELECTED BY A PLURALITY VOTE OF HSS MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>HSS MEMBERS HAVE THE RESERVED POWER TO ELECT OR REMOVE COUNCIL MEMBERS WITH A MAJORITY VOTE. HSS MEMBERS MUST ALSO APPROVE ANY BYLAW CHANGES APPROVED BY THE BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S FORM 990 IS REVIEWED BY THE EXECUTIVE DIRECTOR AND DISTRIBUTED TO THE BOARD OF DIRECTORS PRIOR TO FILING WITH THE IRS. THE FORM 990 IS SIGNED BY THE EXECUTIVE DIRECTOR AND FILED WITH THE APPROPRIATE AUTHORITIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MONITORS AND ENFORCES COMPLIANCE WITH THE CONFLICT OF INTEREST POLICY THROUGH COMMITTEE MEMBER MONITORING AND ENFORCEMENT VIA EX OFFICIO MONITORING. COUNCIL MEMBERS RECUSE THEMSELVES FROM MATTERS WHERE AN APPARENT OR ACTUAL CONFLICT EXISTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH YEAR THE SOCIETY FOLLOWS A COMPENSATION REVIEW PROCESS TO DETERMINE COMPENSATION FOR THE EXECUTIVE DIRECTOR. THE PRESIDENT OF THE SOCIETY ORGANIZES AN AD HOC COMMITTEE TO REVIEW THE PERFORMANCE OF THE EXECUTIVE DIRECTOR. INFORMATION ON THE DIRECTOR'S PERFORMANCE IS SOUGHT FROM NUMEROUS INDIVIDUALS WITHIN AND OUTSIDE THE SOCIETY. COMPENSATION IS TIED TO THE RESULTS OF THAT REVIEW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS, INCLUDING ALL RELEVANT POLICIES, AND THE MOST RECENT FORM 990 INFORMATIONAL RETURN FOR THE ORGANIZATION ARE MADE AVAILABLE TO THE PUBLIC THROUGH THE ORGANIZATION'S WEBSITE. THE ORGANIZATION'S ANNUAL FORM 990 INFORMATIONAL RETURN IS ALSO AVAILABLE TO THE PUBLIC THROUGH DONOR ADVOCACY WEBSITES INCLUDING WWW.GUIDESTAR.ORG. THE ORGANIZATION'S ANNUAL AUDITED FINANCIAL STATEMENTS AND OTHER FINANCIAL AND GOVERNANCE INFORMATION ARE AVAILABLE TO DONORS AND STAKEHOLDERS UPON REQUEST, AS DIRECTED BY THE ORGANIZATION'S WEBSITE.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>