The Citadel is a 1938 film based on the novel by A. J. Cronin, first published in 1937. The film was directed by King Vidor and produced by Victor Saville. Robert Donat stars as the idealistic Dr. Andrew Manson who is dedicated to treating Welsh miners suffering from tuberculosis. Initially, he is full of lofty goals, though his purpose erodes when he begins treating aristocratic London patients. Rosalind Russell stars as Christine, the good doctor's wife, who tries to set him back on the righteous path.
The film won the Best Picture Award from both the New York Film Critics Circle and the National Board of Review. It is a New York Times Critics' Pick and is also listed in The New York Times Guide to the Best 1,000 Movies Ever Made.