Spies Who Changed History

Spies have made an extraordinary impact on the history of the 20th Century, but fourteen in particular can be said to have been demonstrably important. As one might expect, few are household names, and it is only with the benefit of recently declassified files that we can now fully appreciate the nature of their contribution. The criteria for selection have been the degree to which each can now be seen to have had a very definite influence on a specific course of events, either directly, by pass