He founded the production companies Deutsche Bioscope , Deutsche Vitascope and Greenbaum - Film and was a dominant figure in German cinema in the years before the First World War .
Jules Greenbaum ( 5 January 1867 -- 1 November 1924 ) was a German pioneering film producer .
Jules Greenbaum founded the production companies Deutsche Bioscope , Deutsche Vitascope and Greenbaum - Film and was a dominant figure in German cinema in the years before the First World War .
Jules Greenbaum ( 5 January 1867 -- 1 November 1924 ) was a German pioneering film producer .