Jack L. Warner Jack L. Warner Jack Leonard "J. L." Warner (August 2, 1892 – September 9, 1978), born Jacob Warner in London, Ontario, was a Jewish Canadian-American film executive who was the president and driving force behind the Warner Bros. Studios in Burbank, California. Warner's career spanned some 45 years, its duration surpassing that of any other of the seminal Hollywood studio moguls. As co-head of production at Warner Bros. Studios, he worked with his brother, Sam Warner, to procure the technology for the film industry's first talking picture. After Sam's death, Jack clashed with his surviving older brothers, Harry and Albert
Albert and David Maysles the Showgirl". David later stated that he grew "disenchanted with conventional filming. The glamour had faded and the filming of take after take had become tedious." By 1957 he had teamed up with Albert to shoot two documentaries behind the Iron Curtain, "Russian Close-Up" (credited to Albert Maysles alone) and "Youth in Poland", the latter of which was broadcast on NBC. By 1960, the Maysles brothers had joined Drew Associates, the documentary film company founded by photojournalist Robert Drew which also included Richard Leacock and D. A. Pennebaker. Albert would film, while David would handle sound. During this time, the