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
Bush Brothers and Company to incorporate his business. Bush Brothers & Company was incorporated in June 1922, and Fred Bush (A.J.'s oldest son) was named president. (Fred was also a Director of the National Canners Association, the primary industry trade group for canning companies.) The company's canning operations originally began with laborious, manual processes, then expanding with steam powered engines, and eventually evolving on into electric powered factory machinery. During the 1920s, Bush Brothers & Company began expanding its operations to include products other than tomatoes. The company constructed a small canning factory in Clinton, Tennessee in 1923, and began canning both tomatoes and