| George Blake |
A UK spy who passed a lot of documents to the USSR.
George Blake was convicted of spying in 1961 he was sentenced to 42 years (the longest prison sentence ever imposed by a British court).
On 22nd October, 1966, Blake escaped from Wormwood Scrubs Prison by climbing over the wall using a rope thrown from outside. He went to the Soviet Union and was employed by the Institute for World, Economic and International Affairs.