Author: John Cassells
Alternate names: W. Murdoch Duncan; John Cassells; John Dallas; Neill Graham; Martin Locke; Peter Malloch; Lovat Marshall
Born: 18 November 1909
Died: 19 April 1976
Bio: John Cassells is a pseudonym of W. Murdoch Duncan.

William Murdoch Duncan was a prolific Scottish thriller author, who wrote some 220 crime novels, 53 under his own name and the rest under various pseudonyms.
- Wikipedia