1913 - John Cairncross was born on the 25th of July in Scotland.
1936 - Cairncross joined the Foreign Office.
1937 - He joined the Communist party.
1942 - He worked on ciphers at Bletchley Park and MI6.
- He recruited by Anthony Blunt to pass British secrets to Soviet Union, as Fifth Man of Kim Philby spy ring.
1951 - He discovered by British government but avoided prosecution by revealing information about Soviet operations
- Cairncross worked for the United Nations Food and Agricultural Organization in Rome.
1995 - He died aged 82 on the 8th of October.
Page last updated: 6:16am, 11th Sep '07