Born in Hamburg, German Empire, he studied electrical engineering before serving with the Imperial German Army during World War I. After his emigration to the United States in 1924, his acting career blossomed. Befriending playwright George S. Kaufman and theater critic Alexander Woollcott, he enjoyed success in many Broadway productions.
Ruman made his film debut in Lucky Boy (1929).[1]
He became a favorite of the Marx Brothers, appearing in A Night at the Opera, A Day at the Races, and A Night i