Gertrude Belle Elion

Born: 1918
Birthplace: New York City

6-Mercaptopurine—Elion synthesized the leukemia-fighting drug 6-mercaptopurine. Her other developments were drugs used to block organ rejections in kidney transplant patients, for the treatment of gout and to battle herpes virus infections. (1991)

Died: 1999

Thomas Alva EdisonThe National Inventors Hall of FameJohn Colin Emmett