Westermarck, Edward Alexander (1862-1939), was a Finnish anthropologist. Before reaching the age of 30, he wrote and published his major work, The History of Human Marriage (1891). He was a professor at the University of London from 1907 to 1930. During this time, he wrote several works on marriage, the history and development of morals, and customs in Morocco. Westermarck was born on Nov. 20, 1862, in Helsinki. He died on Sept. 3, 1939.