Sidney Gilliat
Sidney Gilliat (15 February 1908 – 31 May 1994) was an English film director, producer and writer.In the 1930s he worked as a scriptwriter, most notably with Frank Launder on ''The Lady Vanishes'' (1938) for Alfred Hitchcock, and ''Night Train to Munich'' (1940), directed by Carol Reed. He and Launder made their directorial debut co-directing the home front drama ''Millions Like Us'' (1943). From 1945 he also worked as a producer, starting with ''The Rake's Progress'', which he also wrote and directed. He and Launder made over 40 films together, founding their own production company Individual Pictures. While Launder concentrated on directing their comedies, most famously the four St Trinian's School films, Gilliat showed a preference for comedy-thrillers and dramas, including ''Green for Danger'' (1946), ''London Belongs to Me'' (1948) and ''State Secret'' (1950).
He wrote the libretto for Malcolm Williamson's opera ''Our Man in Havana'', based on the novel by Graham Greene. He had also worked on the film. Provided by Wikipedia