Leland Harrison Hartwell

Born-October 30, 1939. He is an American scientist. Hartwell, Hunt, and Maxim Nurse discovered that specific genes control cell cycle function. Cell formation, growth and subsequent division are accomplished through the cell cycle. His books are – The Harvey Lectures Series 90 and Art Notebook to Accompany Genetics. Received awards Nobel in Medicine (2001), Rosenstiel Award, Genetics Society of America Medal, Komen Brinker Award, Albert Lasker Award, Massry Prize etc.

Mario Renato Capecchi

Born on October 6, 1937. He is an Italian-American biologist. Oliver Smithis, Renato Capecchi and John Evans researched mammalian embryonic cells and DNA recombination. Discovered powerful technology to target and inactivate specific genes. Received awards Nobel in Medicine (2007), Kyoto Prize, Franklin Medal, Massry Prize, Wolf Prize in Medicine etc.