On April 22 1964 Soviet spy Konon Molody (Gordon Lonsdale) was exchanged for British MI-6 spy Greville Wynne. Konon Molody was arrested in 1960 and sentenced to 25 years in prison. Greville Wynne, arrested in 1962 and sentenced to 8 years in prison in the Soviet Union, was an intermediary for the doubble agent Soviet spy Oleg Penkovsky, who was selling secrets to British intelligence. The well-known cases of espionage in this photo gallery by ITAR-TASS