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:
“There is no fear in love; but perfect love casteth out fear: because fear hath torment. He that feareth is not made perfect in love.”
—Bible: New Testament 1 John 4:18.
“You have constantly urged the idea that you were persecuted because you did not come from West-Point, and you repeat it in these letters. This, my dear general, is I fear, the rock on which you have split.”
—Abraham Lincoln (1809–1865)