Barnes, Harry Elmer (1889-1968), a United States historian, sociologist, and educator. Most of his work centered on the cultural, economic, and historical development of Western civilization. In the 1920's and 1930's, he wrote a number of books on a wide range of subjects, including war, religion, and prison reform. Barnes was born in Auburn, New York. He graduated from Syracuse University, 1913, and received a Ph. D. from Columbia, 1918. He taught at several universities, including Columbia, the New School for Social Research, and Smith College, and wrote for the Scripps-Howard newspapers.

His books include: The Genesis of the World War (1926); A History of Western Civilization (2 volumes, 1935); An Intellectual and Cultural History of the Western World (1937); Historical Sociology (1947); Perpetual War for Perpetual Peace (1953).