Morgan, Thomas Hunt

[person]

(September 25, 1866 - December 4, 1945) An American embryologist who won the Nobel Prize in Physiology or Medicine in 1933 for his discoveries about the role that chromosomes play in heredity. Morgan's most important book, The Mechanism of Mendelian Heredity, with several coauthors, was published in 1915 and became a fundamental work in the field of genetics. Morgan's later work focused on embryology and on encouraging the use of genetics research and a mechanistic approach in all fields of biology.