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CODENAME: WALLFLOWER — The Guy Liddell Diaries

The codename was “WALLFLOWER” and according to noted British military historian Nigel West, it was the “most treasured possession” of the British Security Service. When finally released to the world in 2007 after decades under lock and key in the MI-5 director – general’s office safe, World War II and Cold War historians around the world were electrified.

The mystery man behind this remarkable collection of personal diaries was Guy Liddell. Again, quoting West, he was “unquestionably … the preeminent counterintelligence officer of his generation.”