Thomas Hunt Morgan

Morgan, Thomas Hunt (1866–1945), U.S. biologist who, through his experiments with the fruit fly Drosophila, established the relation between genes and chromosomes and thus the mechanism of heredity. For his work he received the 1933 Nobel Prize for physiology or medicine. His books include The Physical Basis of Heredity (1919), Evolution and Genetics (1925), and Embryology and Genetics (1934).

See also: Genetics; Heredity.