Carl Djerassi Dies at 91; Forever Altered Reproductive Practices as a Creator of the Pill ROBERT D. McFADDEN Dr. Djerassi was one of two chemists working with a student assistant who in 1951 first synthesized a hormone that became the key ingredient of the contraceptive pill. February 1, 2015 at 12:00AM http://nyti.ms/1LvOnbL http://nyti.ms/167gCMX The New York Times U.S. Birth Control and Family Planning

By ROBERT D. McFADDEN via NYT / Eethg. Corps. Inc. / Terrence Herschel G. U.S. http://nyti.ms/1LvOnbL Carl Djerassi Dies at 91; Forever Altered Reproductive Practices as a Creator of the Pill February 1, 2015 at 12:00AM http://nyti.ms/167gCMX The New York Times