left to right: John Rock, Mary Woodard Lasker (1900-1994), Richard Norris Pierson, Jr. (b. 1929), and Cornelius P. Trowbridge (1898?-1973)

Subject: Rock, John. Lasker, Mary. Pierson, Richard N. 1929-. Trowbridge, Cornelius P. c. 1898-1973. Planned Parenthood Federation of America. Harvard Medical School..Type: Black-and-white photographs..Date: 1948..Topic: Medicine. Humanitarianism. Gynecology..Local number: SIA Acc. 90-105 [SIA2009-2417]..Summary: left to right: Physician John Rock, philanthropist Mary Woodard Lasker (1900-1994), physician Richard Norris Pierson, Jr. (b. 1929), and Cornelius P. Trowbridge (1898?-1973). Trowbridge (President of the Planned Parenthood Federation board) was presenting a Lasker medallion to Pierson and Rock. Lasker was co-donor of the Albert and Mary Lasker Awards. Rock, a professor of gynecology at Harvard Medical School, was cited for his research into the cause and cure of sterility. Medical researcher Pierson was praised for his efforts in obtaining medical recognition for Planned Parenthood..Cite as: Acc. 90-105 - Science Service, Records, 1920s-1970s, Smithsonian Institution Archives..ipac20/ipac.jsp?&profile=all&source=~!siarchives&uri=full=3100001~!306432~!0#focus ) ..Repository:Smithsonian Institution Archives..View more collections from the Smithsonian Institution. ( http://collections.si.edu )