Harry Warner Supply Company, and rented an office in the Bakewell building in downtown Pittsburgh. Harry sent Sam to New York to purchase, and ship, films for their Pittsburgh exchange company, while he and Albert remained in Pittsburgh to run the business. In 1909, the brothers sold the Cascade Theater and established a second film exchange company in Norfolk, Virginia. Harry agreed to let younger brother Jack be a part of the company, sending him to Norfolk to serve as Sam's assistant. A serious problem threatened the Warners' film company with the advent of Thomas Edison's Motion Picture Patents Company (also known
Harry Donenfeld to his new underworld contacts having close connections with Hearst newspaper salesman Moe Annenberg. The company was able to move from their earlier downtown location to a twelve-story building in the Chelsea district. 1923 also saw the emergence of the brutal business side of Harry as he took control of Martin Press and forced his two older brothers out of the company, leaving Irving as a minority partner and head printer. Harry then changed the company name from Martin Press to Donny Press. From around 1925, Donenfeld began working with Frank Armer to produce lines of girlie pulps published under