John Cairncross

John Cairncross (25 July 1913 – 8 October 1995) was a British civil servant who became an intelligence officer and spy during World War II. As a Soviet double agent, he passed to the Soviet Union the raw Tunny decrypts that influenced the Battle of Kursk. He was alleged to be the fifth member of the Cambridge Five.

Personal facts

Birth dateJuly 25, 1913
Birth place
Scotland , Lesmahagow
Date of deathOctober 08, 1995

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