1941 Became director of research for the Viking Fund set up by industrialist Axel Wenner-Gren; named president 1955
1932 Returned to Hungary
1931 Joined Braumberg-Richebe in Paris as production supervisor
1929 Directed first sound feature, "Broadway"
1927 Directed first US film, "The Last Moment", experimental film about the visions of a suicidal drowning man
1924 - 1926 Worked as staff bacteriologist with Rockefeller Institute
1923 Moved to USA
Became a producer of army theatricals on Italian Front during WWI
Made documentaries for Svensk Filmindustri in East Indies and New Guinea (1937-38), Siam (1939), Peru (1941)