Born just before the century turned, Charles Bennett made his writing debut as a child in 1911, fought in France during World War I while still a teen and resumed his acting career after the war's end. In 1926 he dropped acting to concentrate on being a playwright, later turning one of his most famous plays, "Blackmail," into a screenplay for production under the direction of Alfred Hitchcock. The affiliation with "Hitch" continued into the early 1940s, by which time both Bennett and the director were working in Hollywood. He wrote for produce…