Maximilian "Max" Adolph Otto Siegfried Schmeling was a German boxer who was heavyweight champion of the world between 1930 and 1932. His two fights with Joe Louis in 1936 and 1938 were worldwide cultural events because of their national associations. Schmeling is the only boxer to win the world heavyweight championship on a foul. World heavyweight champion (NBA, and NYSAC) from June 12, 1930 to January 7, 1931. Wiki link