Blechley Park - Alan Turing

British Mathematician Alan Turing conceived modern computing and his expertise at Bletchley Park was critical in the Allied victory over Nazi Germany. 

A new book, ‘Alan Turing, Guildford’s Best Kept Secret’ provides the basis for a fascinating walking tour of the cathedral city as it reveals the early years of the man behind the genius. 

Members of MI6, and the Government Code and Cypher School (GC&CS), a secret team of individuals including a number of scholars turned Codebreakers, were working in Bletchley Park , well away from London, for intelligence activity by GC&CS as well as elements of MI6.

The GC&CS mission was to crack the Nazi codes and ciphers. The most famous of the cipher systems to be broken at Bletchley Park was the Enigma. There were also a large number of lower-level German systems to break as well as those of Hitler's allies. At the start of the war in September 1939 the codebreakers returned to Bletchey Park to begin their war-winning work in earnest.

The first operational break into Enigma came around the 23 January 1940, when the team working under Dilly Knox, with the mathematiciansJohn Jeffreys, Peter Twinn and Alan Turing, unravelled the German Army administrative key that became known at Bletchley Park as ‘The Green’.

Take a walk with your guide discovering the historic military connections of Guildford.

Both can be done by train as day trips from London.

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