If you ever read stories or watch movies about spies and espionage, then you know that spies live in constant tension of being found out. Because spies are hiding their true identity and purpose, even the tiniest false move could blow their cover and put them in danger. That kind of premise guarantees that a spy story or movie will be filled with tension and excitement.

One of the most famous true spies of modern times was a Spanish man by the name of Juan Pujol Garcia. At the start of World War II, Garcia approached British intelligence agents in Spain and offered his services as a spy for the British government. Garcia was a brilliant man who cared deeply about defeating the Nazis, but the British government kept turning down his offers of help. So Juan Pujol Garcia decided to defeat th…