Leo Marks
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Emerging from a London Jewish household where early fascination with Edgar Allan Poe's puzzles led to secret-code experiments, he was conscripted in 1942 and swiftly trained as a cryptographer before being assigned to the Special Operations Executive, where he briefed agents such as Noor Inayat Khan and devised more secure poem-based ciphers. After the war he turned to the theatre and cinema, chan…
Biography written by WatchMoods, based on public sources