The answer to the crossword for the term 'Lost Horizon Director, 1937' is Frank Capra (5 letters). Frank Capra was an Italian-American film director, producer and writer who achieved success during the 1930s and 1940s. He is best known for directing the classic films It Happened One Night (1934), Mr. Deeds Goes to Town (1936), You Can't Take It with You (1938), and It's a Wonderful Life (1946). In 1937, he directed the fantasy-adventure film Lost Horizon, which was based on the 1933 novel of the same name by James Hilton.