1981 Edited "Acting: Lee Strasberg and the Actors Studio"
1976 Photographed and edited "The Challenge: A Tribute to Modern Art", a documentary on 20th century modern artists
1955 Joined the faculty of the New School for Social Research, where he taught filmmaking
1948 Worked with celebrated documentary filmmaker Robert Flaherty on "Louisiana Story" as a cinematographer and still photographer
1946 Worked as cinematographer on Hans Richter's segment of the episodic avant-garde film, "Dreams That Money Can Buy"
1945 Joined the documentary project headed by Roy Stryker for Standard Oil of New Jersey
1935 Joined the Works Project Administration (WPA) as a photographer
1934 Began work on a collection of photos of Orthodox Jews on the Lower East Side of NYC
1932 Joined the Film and Photo League, an organization concerned with documentary photography and newsreels
1929 Immigrated to the US with his family
Produced documentary studies for the WPA on NYC slums
Worked as a freelance photographer for various publications including "Fortune" and "The Saturday Evening Post"