Moved to Germany as child

Worked as an apprentice projectionist in Berlin

Became assistant cameraperson for Pathe

First film as director of photography (short) on "Der Hauptman von Kopenick"

First experimented with sound

Was DP on "Der Liebling der Frauen

Opened own film processing laboratory

Was DP on the classic "The Last Laugh"

Production head of Fox-Europa

Co-produced and co-wrote documentary "Berlin - A Symphony of a Big City"

Founded Movie Colour Ltd. In Great Britain

Moved to Hollywood

Signed contract with Universal

Made directorial debut, "The Mummy"

Signed contract with MGM

Won Academy Award as DP of "The Good Earth"

Founded Photo Research Corporation of Burbank

Left films for TV

Designed cinematography for "I Love Lucy" setting standard for all future three-camera film TV programming; became chief cinematographer for Desilu Productions