Jack L. Warner (August 2, 1892 in Canada) was a film producer. He produced more than 300 films from between the 1915s to 1980s. Along with his brothers, he founded the Warner Bros. Pictures Inc. in the year1923. They made their film debut with The Jazz Singer in the year 1927, and they produced several films and given stardom to the actors such as Bette Davis, Errol Flynn and Paul Mun. He honored with Oscar award, Star on the Walk of Fame and David award. He died of a heart inflammation at age 86, on September 9, 1978 in Los Angeles.