Jack Leonard Warner (1892 – September 9, 1978) was a Canadian-American film executive. He 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.
About Jack L. Warner in brief

He leaves a daughter, Barbara Warner, and one son, David Warner, both of whom are still alive. He has a son and daughter-in-law, David “David” Warner, Jr., who is also a well-known Hollywood producer and director. His son David Warner is the co-founder of Warner Brothers, which he co-founded with his brother, Sam Warner, in the late 1950s. Jack Warner died at age 83 in 1978, and he is buried in Hollywood, California; his wife is also buried in California; and his daughter, Mary Warner, died in New Jersey in 2011. He left behind a daughter and three sons, who still live in the Los Angeles area, and three step-daughters, who live in California, New York, and New Jersey. Warner died of cancer at age 80, and his son David died of lung cancer in 2012 at age 81. He will be buried in Los Angles, California,. He was buried next to his brother Sam, who he had worked with to procure the technology for the film industry’s first talking picture, The Jazz Singer. His brother Sam Warner advised Jack’s younger brother, Harry, to get out of the music business where the money is, where they pay the actors, and into the steel business where they could make more money. Jack’s older brother Harry Warner disapproved of Jack’s first steps into the business, and Jack took their tentative steps into vaudeville.
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