This video explores how German forces used the Enigma machine to secure wartime communications and how Allied cryptanalysts at Bletchley Park ultimately broke the code. The breakthrough became one of ...

Tributes have been paid to Second World War Bletchley Park codebreaker Ruth Bourne, who has died at the age of 99. Ms Bourne, who grew up in Birmingham but lived High Barnet in north London, worked as ...

Bletchley Park is now internationally famous as the home of the code-breakers during World War Two. But the endeavours of Alan Turing, Dilly Knox and their colleagues were so top secret that we are ...