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MacDougall began writing the occasional screenplay in the late 30s, working both alone and in collaboration with others. Most of his plays were produced during the 50s. As a screenwriter, his best-known films are The Man in the White Suit (for which he received a 1952 Academy Award nomination) and The Mouse That Roared. He was a cousin of Alexander Mackendrick.
The Roger MacDougall diet
Through disillusionment with orthodox medical treatments at the time, he developed a diet, loosely based on a paleolithic diet, that apparently returned him to good health and sustained remission. Following this experience, he published a pamphlet describing his diet intended to help other patients to achieve similar results.
- Midnight at Madame Tussaud's (1936)
- Midnight Menace (1937)
- Cheer Boys Cheer (1939)
- Let's Be Famous (1939)
- Law and Disorder (1940)
- "The Man on the Beat". British Council. Retrieved 17 March 2014.
- "Roger MacDougall | Theatricalia". theatricalia.com.
- "Roger MacDougall". BFI.
- "BFI Screenonline: Man in the White Suit, The (1951)". www.screenonline.org.uk.
- Graham, Judy (2010). Managing Multiple Sclerosis Naturally: A Self-help Guide to Living with MS. Simon and Schuster. p. 58. ISBN 9781594779077.