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      <MissionDesc>THE HISTORICAL SOCIETY OF WESTERN PENNSYLVANIA IS AN EDUCATIONAL INSTITUTION THAT ENGAGES AND INSPIRES A LARGE AND INCLUSIVE AUDIENCE WITH LINKS TO THE PAST, UNDERSTANDING IN THE PRESENT, AND GUIDANCE FOR THE FUTURE BY PRESERVING REGIONAL HISTORY AND PRESENTING THE AMERICAN EXPERIENCE WITH A WESTERN PENNSYLVANIA CONNECTION. THIS WORK IS ACCOMPLISHED IN PARTNERSHIP WITH OTHERS THROUGH ARCHAEOLOGY, ARCHIVES, ARTIFACT COLLECTIONS, CONSERVATION, EDUCATIONAL PROGRAMS, EXHIBITIONS, LIBRARY, MUSEUMS, PERFORMANCE, PUBLICATION, RESEARCH, TECHNICAL ASSISTANCE, AND INCREASINGLY, THROUGH BROADCAST MEDIA AND THE INTERNET.</MissionDesc>
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      <Desc>EXHIBITION ADMISSIONS:THE HISTORICAL SOCIETY OF WESTERN PENNSYLVANIA WAS FOUNDED IN 1879 AND IS THE OLDEST CULTURAL INSTITUTION IN PITTSBURGH. THE HISTORICAL SOCIETY OPERATES AND DOES BUSINESS AS THE SENATOR JOHN HEINZ HISTORY CENTER, THE WESTERN PENNSYLVANIA SPORTS MUSEUM, THE MEADOWCROFT ROCKSHELTER &amp; HISTORIC VILLAGE, THE FORT PITT MUSEUM, AND THE MUSEUM CONSERVATION CENTER. THIS FAMILY OF MUSEUMS IS NATIONALLY KNOWN FOR ITS AWARD-WINNER EXHIBITIONS, PROGRAMS, AND PUBLICATIONS THAT DRAWS AN AUDIENCE OF SOME 300,000 VISITORS A YEAR AND REACHES IN EXCESS OF 1 MILLION MORE VIA PROGRAMMING ON BROADCAST MEDIA AND THE INTERNET.SEE CONTINUATION ON SCHEDULE O.DURING FY2023, IN ADDITION TO OUR PERMANENT EXHIBITIONS, TEMPORARY EXHIBITIONS INCLUDED PITTSBURGH'S JOHN KANE: THE LIFE &amp; ART OF AN AMERICAN WORKMAN, A VERY MERRY PITTSBURGH, THE NEGRO MOTORIST GREEN BOOK IN COLLABORATION WITH THE SMITHSONIAN, AND WARS OF EMPIRE AND LIBERTY: FEATURING THE REVOLUTIONARY ART OF DON TROIANI IN COLLABORATION WITH THE MUSEUM OF THE AMERICAN REVOLUTION. WE ALSO MADE UPDATES TO OUR WESTERN PENNSYLVANIA SPORTS MUSEUM'S SPORT AND THE BODY EXHIBITION. IN FY2023 WE REACHED MORE THAN 260,000 PEOPLE ACROSS OUR FAMILY OF MUSEUMS, INCLUDING, THE HISTORY CENTER, FORT PITT MUSEUM, AND MEADOWCROFT ROCKSHELTER &amp; HISTORIC VILLAGE.</Desc>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KEVIN ACKLIN</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ARTHUR L BALDWIN</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DAVID E BARENSFELD</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LATASHA WILSON BATCH</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CHARLES W BITZER</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CYNTHIA BOGNAR</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ERIC BOUGHNER</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CHARLES R CHIP BURKE JR</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ROBERT J CINDRICH</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>STEVEN H COHEN</PersonNm>
        <TitleTxt>TRUSTEE (EXITED 07/22)</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR VERNA COREY SCD</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>THE HONORABLE JAY COSTA JR</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JUDITH DAVENPORT</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>HONORABLE AUSTIN DAVIS</PersonNm>
        <TitleTxt>TRUSTEE (EXITED 01/23)</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JEFFREY DAVIES</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOSEPH DOUGHERTY</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DANIEL FITZPATRICK</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>FLOYD GANASSI JR</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ALVARO GARCIA-TUNON</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>STAN GEIER</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JAMES GOCKLEY</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KEN GORMLEY</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DONALD J HEBERLE</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ROBERT HILL</PersonNm>
        <TitleTxt>TRUSTEE (EXITED 07/22)</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>WILLIAM M LAMBERT</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JUDY LINABURG</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CATHERINE LOEVNER</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JAMES C MARTIN ESQ</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>TOM MCMILLAN</PersonNm>
        <TitleTxt>TRUSTEE (EXITED 07/22)</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ALBERT NEUPAVER</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DONNA OBERLANDER</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>THE HONORABLE JASON ORTITAY</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>STEPHANI PASHMAN</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ROBERT N PEIRCE JR ESQ</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ROBERT P RANDALL</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MATTHEW RHENISH</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BRIAN ROMAN</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ART ROONEY II</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SCOTT ROY</PersonNm>
        <TitleTxt>TRUSTEE (EXITED 07/22)</TitleTxt>
        <AverageHoursPerWeekRt>0.20</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>IZZY RUDOLPH</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JOY STARZL</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>BRIAN TRUDGEN</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JOE TROTTER JR PHD</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>H WOODRUFF TURNER ESQ</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MARK TWERDOK</PersonNm>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>NISH VARTANIAN</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>THE HONORABLE KIM WARD</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>DENNIS A WATSON</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>ANNE ZACHARIAS</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>RACHEL ASKEY EXITED 0223</PersonNm>
        <TitleTxt>VICE PRESIDENT, OPERATIONS &amp; CFO</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>0.20</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>17879</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>TODD HIPWELL ENTERED 0523</PersonNm>
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        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>TONIA ROSE</PersonNm>
        <TitleTxt>VICE PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>RENEE FALBO</PersonNm>
        <TitleTxt>CHIEF HUMAN RESOURCES OFFICER</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
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      <IndivRcvdGreaterThan100KCnt>4</IndivRcvdGreaterThan100KCnt>
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      <ContractorCompensationGrp>
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          <BusinessName>
            <BusinessNameLine1Txt>HEINZ HISTORY SOLAR</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>22 RUTGERS ROAD</AddressLine1Txt>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>COMMON PLEA CATERING</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
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      <TotalContributionsAmt>8006677</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
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      <ProgramServiceRevenueGrp>
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        <RelatedOrExemptFuncIncomeAmt>1310044</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
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        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>111943</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>111943</RelatedOrExemptFuncIncomeAmt>
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      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>552513</TotalRevenueColumnAmt>
        <ExclusionAmt>552513</ExclusionAmt>
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      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>649712</TotalRevenueColumnAmt>
        <ExclusionAmt>649712</ExclusionAmt>
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      <GrossRentsGrp>
        <RealAmt>85739</RealAmt>
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      <LessRentalExpensesGrp>
        <RealAmt>407386</RealAmt>
      </LessRentalExpensesGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>-321647</RealAmt>
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      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>-321647</TotalRevenueColumnAmt>
        <ExclusionAmt>-321647</ExclusionAmt>
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      <GrossAmountSalesAssetsGrp>
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      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>1623319</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>104467</SecuritiesAmt>
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      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>104467</TotalRevenueColumnAmt>
        <ExclusionAmt>104467</ExclusionAmt>
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      <FundraisingGrossIncomeAmt>321483</FundraisingGrossIncomeAmt>
      <ContriRptFundraisingEventAmt>540712</ContriRptFundraisingEventAmt>
      <FundraisingDirectExpensesAmt>280949</FundraisingDirectExpensesAmt>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>40534</TotalRevenueColumnAmt>
        <ExclusionAmt>40534</ExclusionAmt>
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      <GrossSalesOfInventoryAmt>1198276</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>606756</CostOfGoodsSoldAmt>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>591520</TotalRevenueColumnAmt>
        <ExclusionAmt>591520</ExclusionAmt>
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      <OtherRevenueMiscGrp>
        <Desc>CATERING COMMISSIONS</Desc>
        <BusinessCd>721000</BusinessCd>
        <TotalRevenueColumnAmt>349717</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>349717</RelatedOrExemptFuncIncomeAmt>
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      <OtherRevenueMiscGrp>
        <Desc>LOAN FORGIVENESS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>62500</TotalRevenueColumnAmt>
        <ExclusionAmt>62500</ExclusionAmt>
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      <OtherRevenueTotalAmt>412217</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
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        <RelatedOrExemptFuncIncomeAmt>3376755</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>1679599</ExclusionAmt>
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      <CompCurrentOfcrDirectorsGrp>
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        <ProgramServicesAmt>527156</ProgramServicesAmt>
        <ManagementAndGeneralAmt>138162</ManagementAndGeneralAmt>
        <FundraisingAmt>58573</FundraisingAmt>
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        <ProgramServicesAmt>3371747</ProgramServicesAmt>
        <ManagementAndGeneralAmt>865347</ManagementAndGeneralAmt>
        <FundraisingAmt>304668</FundraisingAmt>
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      <PensionPlanContributionsGrp>
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        <ManagementAndGeneralAmt>77095</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>308853</ProgramServicesAmt>
        <ManagementAndGeneralAmt>167508</ManagementAndGeneralAmt>
        <FundraisingAmt>50137</FundraisingAmt>
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        <ProgramServicesAmt>300518</ProgramServicesAmt>
        <ManagementAndGeneralAmt>81243</ManagementAndGeneralAmt>
        <FundraisingAmt>23070</FundraisingAmt>
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        <ProgramServicesAmt>60696</ProgramServicesAmt>
        <ManagementAndGeneralAmt>296693</ManagementAndGeneralAmt>
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      <FeesForServicesLegalGrp>
        <TotalAmt>4633</TotalAmt>
        <ManagementAndGeneralAmt>4633</ManagementAndGeneralAmt>
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      <FeesForServicesAccountingGrp>
        <TotalAmt>59796</TotalAmt>
        <ManagementAndGeneralAmt>59796</ManagementAndGeneralAmt>
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      <FeesForServicesLobbyingGrp>
        <TotalAmt>31972</TotalAmt>
        <ManagementAndGeneralAmt>31972</ManagementAndGeneralAmt>
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      <FeesForServicesProfFundraising>
        <TotalAmt>60374</TotalAmt>
        <FundraisingAmt>60374</FundraisingAmt>
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      <FeesForSrvcInvstMgmntFeesGrp>
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        <ManagementAndGeneralAmt>71118</ManagementAndGeneralAmt>
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      <FeesForServicesOtherGrp>
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        <ProgramServicesAmt>1807</ProgramServicesAmt>
        <ManagementAndGeneralAmt>41024</ManagementAndGeneralAmt>
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      <AdvertisingGrp>
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        <ProgramServicesAmt>201705</ProgramServicesAmt>
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        <ProgramServicesAmt>131123</ProgramServicesAmt>
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        <ProgramServicesAmt>815615</ProgramServicesAmt>
        <ManagementAndGeneralAmt>77563</ManagementAndGeneralAmt>
        <FundraisingAmt>19584</FundraisingAmt>
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      <TravelGrp>
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        <ProgramServicesAmt>18823</ProgramServicesAmt>
        <ManagementAndGeneralAmt>5554</ManagementAndGeneralAmt>
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      <PymtTravelEntrtnmntPubOfclGrp>
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        <ManagementAndGeneralAmt>2208</ManagementAndGeneralAmt>
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      <ConferencesMeetingsGrp>
        <TotalAmt>23694</TotalAmt>
        <ProgramServicesAmt>23694</ProgramServicesAmt>
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      <InterestGrp>
        <TotalAmt>250524</TotalAmt>
        <ProgramServicesAmt>250524</ProgramServicesAmt>
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      <DepreciationDepletionGrp>
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        <ProgramServicesAmt>1544929</ProgramServicesAmt>
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      <InsuranceGrp>
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        <ProgramServicesAmt>77826</ProgramServicesAmt>
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        <ProgramServicesAmt>287525</ProgramServicesAmt>
        <ManagementAndGeneralAmt>10816</ManagementAndGeneralAmt>
        <FundraisingAmt>220896</FundraisingAmt>
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      <OtherExpensesGrp>
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        <ProgramServicesAmt>470446</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>FURNITURE &amp; FIXTURES</Desc>
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        <ProgramServicesAmt>39976</ProgramServicesAmt>
        <ManagementAndGeneralAmt>373409</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
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        <ProgramServicesAmt>178722</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1683</ManagementAndGeneralAmt>
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      <AllOtherExpensesGrp>
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        <ProgramServicesAmt>82509</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1342</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>8694194</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2317651</ManagementAndGeneralAmt>
        <FundraisingAmt>777635</FundraisingAmt>
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        <EOYAmt>128429</EOYAmt>
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        <EOYAmt>7941206</EOYAmt>
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      <PledgesAndGrantsReceivableGrp>
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        <EOYAmt>821637</EOYAmt>
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        <EOYAmt>162138</EOYAmt>
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      <InventoriesForSaleOrUseGrp>
        <BOYAmt>578618</BOYAmt>
        <EOYAmt>724700</EOYAmt>
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        <EOYAmt>144482</EOYAmt>
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      <LandBldgEquipCostOrOtherBssAmt>66439335</LandBldgEquipCostOrOtherBssAmt>
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        <EOYAmt>29442030</EOYAmt>
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      <InvestmentsPubTradedSecGrp>
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        <EOYAmt>25222144</EOYAmt>
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        <EOYAmt>64586766</EOYAmt>
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      <AccountsPayableAccrExpnssGrp>
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        <EOYAmt>903502</EOYAmt>
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      <DeferredRevenueGrp>
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        <EOYAmt>46162</EOYAmt>
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      <LoansFromOfficersDirectorsGrp>
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        <EOYAmt>0</EOYAmt>
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      <MortgNotesPyblScrdInvstPropGrp>
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        <EOYAmt>4010602</EOYAmt>
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      <UnsecuredNotesLoansPayableGrp>
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        <EOYAmt>0</EOYAmt>
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        <PersonNm>TONIA ROSE</PersonNm>
        <TitleTxt>VICE PRESIDENT</TitleTxt>
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        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE HISTORICAL SOCIETY PAID DUES TO THE DUQUESNE CLUB ON BEHALF OF ITS CEO, ANDREW MASICH. AS REQUIRED, MR. MASICH DOCUMENTED HIS PERSONAL USE OF THE CLUB, OF WHICH THERE WAS NONE. THE HISTORICAL SOCIETY PAID FOR THE TRAVEL OF A COMPANION FOR CEO, ANDREW MASICH. THIS TRAVEL WAS FOR ENTERTAINING OUT OF STATE AND WAS NOT TAXABLE TO MR. MASICH.</ExplanationTxt>
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        <FormAndLineReferenceDesc>PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>MR. MASICH, THE PRESIDENT AND CEO OF THE SOCIETY IS CURRENTLY EMPLOYED UNDER THE TERMS OF A 60 MONTH CONTRACT THAT WAS EXECUTED EFFECTIVE JANUARY 1, 2023, ENDING DECEMBER 31, 2027. THE TOTAL COMPENSATION OF MR. MASICH WAS ESTABLISHED BY THE EXECUTIVE COMMITTEE AND ALLOWS FOR ADDITIONAL COMPENSATION, BASED ON PERFORMANCE, INFLATION, AND CURRENT MARKET DATA EFFECTIVE JANUARY 1 OF EACH YEAR AT THE DISCRETION OF THE EXECUTIVE COMMITTEE OF THE BOARD. THIS COMPENSATION WAS DETERMINED BY OBTAINING A COMPENSATION STUDY AND THE REVIEW OF COMPARABLE ORGANIZATIONS FORMS 990.</ExplanationTxt>
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        <ContributionCnt>5</ContributionCnt>
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        <MethodOfDeterminingRevenuesTxt>FAIR MARKET VALUE</MethodOfDeterminingRevenuesTxt>
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        <Desc>DEACCESSIONED ITEMS</Desc>
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        <MethodOfDeterminingRevenuesTxt>FAIR MARKET VALUE</MethodOfDeterminingRevenuesTxt>
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        <FormAndLineReferenceDesc>PART I, COLUMN (B):</FormAndLineReferenceDesc>
        <ExplanationTxt>THE NUMBER OF SHOWN IN COLUMN (B) REPRESENTS THE NUMBER OF CONTRIBUTIONS THE HISTORICAL SOCIETY OF WESTERN PENNSYLVANIA RECEIVED FOR EACH TYPE OF PROPERTY FOR THE YEAR ENDED JUNE 30, 2023.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS REVIEWED BY SENIOR MANAGEMENT AND THE FINANCE &amp; AUDIT AND EXECUTIVE COMMITTEES. ON OCCASION, NAMES ARE OMITTED FROM THE FORM 990 REVIEWED BY THE COMMITTEE IF A DONOR WISHES TO REMAIN ANONYMOUS. ALL DONATIONS ARE REVIEWED BY SENIOR MANAGEMENT IN ACCORDANCE WITH OUR GIFT ACCEPTANCE POLICY. A PUBLIC DISCLOSURE COPY IS PROVIDED TO ALL MEMBERS OF THE GOVERNING BODY PRIOR TO FILING WITH THE INTERNAL REVENUE SERVICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ON AN ANNUAL BASIS, OFFICERS, DIRECTORS AND KEY EMPLOYEES RECEIVE A COPY OF THE HISTORY CENTER'S CONFLICT OF INTEREST POLICY ALONG WITH A CONFLICT OF INTEREST DISCLOSURE FORM FOR COMPLETION. THIS CONFLICT OF INTEREST DISCLOSURE FORM INCLUDES REQUIREMENTS TO DISCLOSE POTENTIAL CONFLICTS THAT EXIST AT THE DATE OF COMPLETION AS WELL AS THE OBLIGATION BY THE INDIVIDUAL TO INFORM THE HISTORY CENTER OF ANY POTENTIAL CONFLICTS THAT MAY ARISE IN THE FUTURE. THE COMPLETED AND SIGNED FORMS ARE REVIEWED BY THE EXECUTIVE COMMITTEE AND MONITORED THROUGHOUT THE YEAR. IN ADDITION, ANY POTENTIAL CONFLICT OF INTEREST AND THE RESOLUTION THEREOF IS CONTEMPORANEOUSLY DOCUMENTED IN THE SOCIETY'S BOARD MEETING MINUTES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>AN INDEPENDENT COMMITTEE IS FORMED BY THE BOARD CHAIRMAN, AS NEEDED, TO REVIEW PERFORMANCE AS WELL AS COMPARABLE COMPENSATION FOR SIMILAR POSITIONS. THE BOARD THEN VOTES ON THE ACCEPTANCE OF ANY PROPOSED PACKAGE AND THE DECISIONS ARE CONTEMPORANEOUSLY DOCUMENTED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST. FINANCIAL AND GOVERNING INFORMATION IS ALSO ROUTINELY SHARED WITH AND BY INTERNET SITES SUCH AS CHARITY NAVIGATOR AND GUIDESTAR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 1A:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE COMMITTEE OF THE BOARD IS EMPOWERED TO ACT ON BEHALF OF THE BOARD IN BETWEEN FULL BOARD MEETINGS. IT IS MADE UP OF ALL THE BOARD OFFICERS AS WELL AS SEVERAL ADDITIONAL BOARD MEMBERS AS APPOINTED BY THE BOARD CHAIR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VII, HONORARY TRUSTEES:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FOLLOWING INDIVIDUALS SERVE AS HONORARY TRUSTEES OF THE HISTORICAL SOCIETY OF WESTERN PENNSYLVANIA WITH NO VOTING RIGHTS: TERESA HEINZ AND ROBERT B. KNUTSON</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VII, TRUSTEE EMERITI:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FOLLOWING INDIVIDUALS SERVE AS TRUSTEE EMERITI OF THE HISTORICAL SOCIETY OF WESTERN PENNSYLVANIA WITH NO VOTING RIGHTS: ROBERT CINDRICH, SIGO FALK, THE HONORABLE D. MICHAEL FISHER, TORRENCE HUNT, MAXWELL KING, THE HONORABLE FRANK J. LUCCHINO, DAVID MCCULLOUGH, MARTIN G. MCGUINN, SANDY MELLON AND BRUCE WIEGAND</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VII, TRUSTEES EX-OFFICIO:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FOLLOWING INDIVIDUALS ARE TRUSTEES EX-OFFICIO OF THE HISTORICAL SOCIETY OF WESTERN PENNSYLVANIA WITH NO VOTING RIGHTS: THE HONORABLE RICH FITZGERALD THE HONORABLE ED GAINEY</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, QUESTION 2C, FINANCIAL STATEMENTS AND REPORTING:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FINANCE &amp; AUDIT COMMITTEE CHAIRMAN MEETS WITH THE AUDITORS PRIOR TO THE AUDIT FIELD WORK TO IDENTIFY AND DISCUSS ANY PERCEIVED RISKS AND ISSUES AFFECTING THE AUDIT. THE COMMITTEE CHAIRMAN IS ALSO BROUGHT UP TO DATE ON ANY AUDIT REQUIREMENTS THAT HAVE CHANGED SINCE THE PRIOR AUDIT. THE DRAFT AUDITED FINANCIAL STATEMENT IS PRESENTED TO THE FINANCE &amp; AUDIT COMMITTEE BY THE AUDITORS FOR REVIEW AND APPROVAL. DURING THIS MEETING, WITH STAFF ABSENT, THE FINANCE &amp; AUDIT COMMITTEE HAS AN OPPORTUNITY TO SPEAK WITH THE AUDITORS GIVING EACH AN OPPORTUNITY TO RAISE AND DISCUSS ANY CONCERNS ABOUT STAFF, SAFEGUARDS, OR ANY OTHER ISSUES. THE FINANCE &amp; AUDIT COMMITTEE HAS SOLE RESPONSIBILITY TO ENGAGE AN AUDIT FIRM, AND TO RENEW THE AUDITORS CONTRACT OR SEARCH FOR A REPLACEMENT. THIS PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
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          <BusinessNameLine1Txt>THE DIETRICH FOUNDATION</BusinessNameLine1Txt>
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          <AddressLine1Txt>600 GRANT STREET SUITE 5360</AddressLine1Txt>
          <CityNm>PITTSBURGH</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
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        <PrimaryActivitiesTxt>TO SUPPORT THE FUNCTIONS OF &amp; CARRY OUT THE PURPOSE OF THE HISTORY CENTER</PrimaryActivitiesTxt>
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      <GiftGrntCapContriFromOthOrgInd>1</GiftGrntCapContriFromOthOrgInd>
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