Thomas Hunt Morgan was born on September 25, 1866, he was an American evolutionary biologist, 
geneticist and embryologist and science author who won the Nobel Prize 
in Physiology or Medicine in 1933 for discoveries elucidating the role 
the chromosome plays in heredity. He died on December 4, 1945.
 
| photo:science.gsfc.nasa.gov | 
 
 
