Margaret Rock & Joan Clarke were women codebreakers at Bletchley Park.
Get a copy of original handwritten letters they wrote about their time at Bletchley Park in WW2

This top secret file reveals:

  1. Margaret Rock's codebreaking profile - read how she was considered one of the best codebreakers at Bletchley Park.

  2. Copy of an original letter Margaret wrote in September 1940. It's an evocative account of bombs & air raids while trying to get back to Bletchley during the Blitz. Includes a typed transcript.

  3. Joan Clarke's codebreaking profile - read about her Bletchley Park successes & long career at GCHQ after the war.

  4. Copy of 2 original letters written by Joan about the Bombe machines and Alan Turing. They are touching insight into some of Joan's wartime memories. Includes a typed transcript.

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