Herbert Marcuse (1898-1979) was a leading 20th-century New Left philosopher in the United States and a follower of Karl Marx. Marcuse's writing reflected a discontent with modern society and technology and their "destructive" influences, as well as the necessity of revolution. His application of the theories of Sigmund Freud to the character of contemporary society and politics was the subject of much research, scholarly and otherwise. He was considered by some to be a philosopher of the sexual revolution.

Herbert Marcuse was born in Berlin on July 19, 1898. In 1922 he received his doctorate of philosophy from the universities of Berlin and Freiburg. Marcuse's distinctive intellectual heritage was based on the democratic and socialist philosophy originated by G. W. F. Hegel and developed by Karl Marx--combined with the psychoanalytic theories of Sigmund Freud. On this basis he took a stand against fascism, as it appeared in Europe from the 1920s...