John Rock (American Scientist)
John Rock (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".
Read more about John Rock (American Scientist): Early Life and Career, Pill Development and Promotion, Conception of The Natural and Its Implications
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