found: Hertig, A. T. Two human ... 1941.
found: McLaughlin, L. The pill, John Rock, and the church, c1982:CIP t.p. (John Rock)
found: The fertility doctor, 2008:E-CIP galley (d. Dec. 4, 1984)
found: OCLC, Dec. 19, 2012(usage: John Rock)
found: Wikipedia, Dec. 19, 2012:John Rock page (24 March 1890 - 4 December 1984, was an American obstetrician and gynecologist. He is best known for the major role he played in the development of the first hormonal contraceptive, colloquially called "the pill"; born in Marlborough, Massachusetts.)