Frank Launder left his job as a civil servant because he wanted to entertain, and that he did as a director, screenwriter, and producer -- usually in partnership with Sidney Gilliat -- of scores of British productions from 1928 until 1980. He is particularly remembered for the "St. Trinian's" series of films, which began with "The Happiest Days of Your Life" (writer-producer-director, 1950), and focused on a boisterous, unruly school for girls. Together with Gilliat, Launder also wrote "The Lady Vanishes" (1939) for director Alfred Hitchcock, one of the latter's most successful movies during