Heinrich Rau
Heinrich Gottlob "Heiner" Rau (2 April 1899 – 23 March 1961) was a German communist politician during the Weimar Era, a commander in the International Brigades during the Spanish Civil War, and a leading East German statesman after World War II. Rau grew up in a suburb of Stuttgart, where early on he became active in socialist youth organizations. After military service in World War I, he participated in the German revolution of 1918–1919.