"Director: John Smithson"

• Bletchley Park: Code-Breaking's Forgotten Heroes (BBC) | DVD | (13/02/2017) from £7.99   |  Saving you £N/A (N/A%)   |  RRP £N/A

  Historical BBC documentary that depicts the work of codebreaker Gordon Welchman. During the Second World War, Welchman worked alongside Alan Turing at Bletchley Park, breaking German ciphers, and played a key role in cracking the Enigma machine. Following the war he moved to the United States and, after retiring, released a book detailing his work for both the US and UK military which led to him being ostracised by the National Security Agency.