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
Jack Ball (footballer, born 1923) losing his place to Harry Baldwin, and the two shared the position until 1952 when Baldwin left the club. Ball himself left in 1953 and joined Hastings United of the Southern League. He helped that club reach the third round of the FA Cup in both 1953–54 and 1954–55, and remained on their books until the early 1960s. He continued living in Hove, and died in Brighton in 1999. Jack Ball (footballer, born 1923) John Albert Ball (16 July 1923 – July 1999) was an English professional footballer who made 113 Football League appearances playing as a goalkeeper for Brighton