Carl Djerassi, who passed away recently, was the chemist widely known as father of ____?
[B]Birth control pill
[C]Plastic surgery
[D]Blood transplant

Birth control pill
Carl Djerassi was widely considered the father of the birth control pill. He was most famous for leading a research team in Mexico City that in 1951 developed norethindrone, a synthetic molecule that became a key component of the first birth control pill.