Stalag 17 (1953), the riveting drama of a German prisoner-of-war camp, was adapted from the Broadway play directed by Jos Ferrer in 1951. Billy Wilder developed the play and made the film version more interesting in every way. Edwin Blum, a veteran screenwriter and friend of Wilder's, collaborated on the screenplay but found working with Wilder an agonizing experience. Wilder's mordant humor and misanthropy percolate throughout this bitter story of...