M: Maxwell Knight, MI5's Greatest Spymaster with Henry Hemming

Henry Hemming @henryhemming is a historian and author of five works of non-fiction including In Search of the English Eccentric, Misadventure in the Middle East, shortlisted for the Dolman Travel Book Award, and Churchill’s Iceman, published in the US as The Ingenious Mr Pyke, which became a New York Times bestseller. M: Maxwell Knight, MI5's Greatest Spymaster is out on 4th May.

Producer: Dan Morelle

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