Julius DorpmÃ 1\/4 ller ( 24 July 1869 in Elberfeld - 5 July 1945 in Malente ) was the German minister of transport between 1937 and 1945 . Julius Heinrich Dorpmueller ( 24 July 1869 in Elberfeld - 5 July 1945 in Malente ) was general manager of Deutsche Reichsbahn-Gesellschaft from 1926-45 and the German Reich Transport Minister from 1937-45 .