Witness History: The Cambridge Spies

**** 4 Extra marks 75 years since British diplomats turned KGB spies, Guy Burgess and Donald Maclean, defected to the Soviet Union on May 25th 1951

Guy Burgess and Donald Maclean were recruited as communist spies while at university in Cambridge.

But their activities in Britain only came to light at the height of the Cold War in February 1956.

Louise Hildago follows their story.

Presenter/Producer: Louise Hildago

First broadcast on the BBC World Service in February 2010.