who is gregory pincus
Pronunciation (US): â¢ GREGORY GOODWIN PINCUS (noun) The noun GREGORY GOODWIN PINCUS has 1 sense: 1. United States sexual physiologist whose hunch that progesterone could block ovulation led to the development of the oral contraceptive pill (1903-1967) Familiarity information: GREGORY GOODWIN PINCUS used as a noun is very rare.