Harry Chapman Pincher (1914-2014) was one of the most seasoned and prominent British espionage writers. Born in India and educated at King’s College London and the Royal Military College of Science, he gained notoriety with his groundbreaking book Their Trade Is Treachery, which first accused Sir Roger Hollis of being a Soviet agent. Throughout his career, Pincher was a formidable critic of the British security system, consistently breaking stories that made headlines and shaped public discourse.

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Treachery by Harry Chapman Pincher

Treachery | Betrayals, Blunders, and Cover-Ups: Six Decades of Espionage Against America and Great Britain by Harry Chapman Pincher reveals decades of espionage from within British intelligence. Pincher makes a compelling new case that the head of Britain’s own counterintelligence and security agency was a double agent.