In December 1979, Barrie Penrose, a journalist, concluded that Cairncross was the Fifth Man and confronted him.
John F. Kennedy | Pope John Paul II | Elton John | John | John Lennon | John Wayne | John McCain | John Kerry | John Cage | Olivia Newton-John | John Williams | John Peel | John Adams | John Steinbeck | John Travolta | John Milton | John Zorn | John Marshall | John Howard | John Singer Sargent | John Ruskin | John Updike | John Maynard Keynes | John Coltrane | John Cleese | St. John's | John Waters | John Lee Hooker | John Huston | John Ford |
He was one of the controllers of the British Soviet spy ring known as the Cambridge Five: Kim Philby, Donald Maclean, Guy Burgess, John Cairncross and Anthony Blunt.