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In November 1960, Wynne was recruited by
Wynne later became an intermediary and courier for Penkovsky, smuggling top-secret Soviet intelligence back to London during his frequent trips to the USSR.
Wynne and Penkovsky’s espionage activities were eventually discovered by the KGB. Both men were arrested in late 1962, around the time of the
Wynne was convicted of spying on 11 May 1963 and sentenced to eight years in prison. He was held in harsh conditions, and in April 1964, amid concerns for his deteriorating health, Wynne was released in exchange for the Soviet spy
Following his release, Wynne returned to his business career but struggled with alcoholism and depression. Wynne died of
Later in life, Wynne wrote two books about his work for British intelligence: The Man From Moscow (1967) and The Man From Odessa (1981). In these books, Wynne claimed to have been recruited by
However, historians question this account. The authors of The Spy Who Saved the World wrote, “He [Wynne] had no previous intelligence experience or training.” Others have made similar assessments, stating that Wynne was a civilian at the time of his recruitment by MI6 in 1960.