Directing
Born January 19, 1898 — died April 7, 1969 · Zürich, Switzerland
Battle of Norway - Campaign 1940
1940 · Director
X-rays
1937 · Director
Am Rande der Sahara
1930 · Director
Als man anfing zu filmen
1934 · Director
Fallschirmjäger
1939 · Writer
Chinesische Städte
1935 · Writer
