Bletchley Park Codebreakers of WWII: Secrets of the Enigma Machine

During World War II, Britain's brightest minds routinely decoded encrypted German military messages, an effort believed to have significantly shortened the war and saved the country further devastation. The mathematicians and cryptography experts at Bletchley Park broke the code used by Germany's Enigma machine, a complex encryption device used across the German military. By January 1940, Britain was decoding the majority of the Enigma-encrypted radio messages intercepted by its signal intelligence stations.

Since then, buildings on the 25-acre Bletchley Park estate have fallen into disrepair: At one stage the site was close to being demolished to make way for a supermarket and housing development, and efforts to raise money to preserve it have struggled.

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