Hermann Ehrhardt

German naval officer in World War I who became a Freikorps leader during the Weimar Republic. As head of the Marine Brigade Ehrhardt, he was among the best-known Freikorps leaders in the immediate postwar years. The Brigade fought against the local soviet republics that arose during the German Revolution of 1918–1919 and later was among the key players in the anti-democratic Kapp Putsch of March 1920.