| And Philby, many years later, proved to have been a Russian spy, working at the very heart of the British counter-espionage service! |
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| The series adopted the clever ploy of presenting Philby, Burgess, McLean and Blunt not as black-hearted traitors but as men driven at least partially by ideals. |
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| Burgess, Maclean, Philby and Blunt spied out of political conviction. |
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| The last of the defections was that of Kim Philby in January 1963, while Fleming was still writing the first draft of You Only Live Twice. |
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