Filed under: History, Learning, Europe, United Kingdom

Bletchley Park, bombe
You'd never know by looking at the cluster of nondescript buildings that they were the scene of the single most important effort to defeat Nazi Germany. During World War Two, Bletchley Park in Milton Keynes, England, was home to thousands of code breakers listening in on and analyzing German military transmissions. The site was so secret that its existence wasn't revealed to the world until the 1970s.

It was here that the famous German Enigma and Lorenz code machines were broken, allowing the Allies to follow German troop, air, and naval movements. It's impossible to say just how much this helped the war effort, but one intelligence historian, Sir Henry Hinsley, estimated it shortened the war by up to four years.

The work on Enigma was actually started by the Polish Cipher Bureau, which broke the Enigma code five weeks before the war started. They shared the information with their British and French counterparts. Although Poland

Read the original article at http://www.gadling.com/2012/01/10/bletchley-park-see-where-codebreakers-listened-in-on-the-third/