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
Famous quotes containing the words john and/or rock:
“This is my commandment, that ye love one another.”
—Bible: New Testament Jesus, in John 15:12.
“No change in musical style will survive unless it is accompanied by a change in clothing style. Rock is to dress up to.”
—Frank Zappa (1940–1994)