Alfred Greven

Alfred Greven. Producer: Ein Unsichtbarer geht durch die Stadt. Alfred Greven was born on 9 October 1897 in Elberfeld, Germany. He was a producer and production manager, known for Ein Unsichtbarer geht durch die Stadt (1933), Goal in the Clouds (1939) and Two Merry Adventurers (1937). He died on 9 February 1973 in Cologne, North Rhine-Westphalia, West Germany.