Andrew Lownie

Newly released evidence on the Cambridge Spies reveals how, among other revelations, inaction and incompetence on the part of the authorities enabled Guy Burgess and Donald Maclean to make their escape to Moscow.

The British government should be more open in its dealings with researchers.

Between Silk and Cyanide , the wartime memoirs of the Special Operations Executive cryptographer, Leo Marks, first published in 1998 to...