Bletchley Park in Buckinghamshire was Britain's main decryption establishment during World War Two. Ciphers and codes of several Axis countries were decrypted including, most importantly ...

Photo: Hut 3 at Bletchley Park, Buckinghamshire in 1942. Here, civilian and service personnel worked together at code-breaking top-secret military communiques between Hitler and his armed forces.

Turing had previously been involved with the construction of both the Colossus, the electronic computer built at Bletchley Park during WW2, and, later, the Automatic Computing Engine. (SSPL/Getty ...