Shrouded in secrecy until recently, Colossus was the world's first fully-functioning electronic computer, built during the Second World War and used at Bletchley Park to crack the codes of high-level Nazi communications. This collection of essays delves into code-breaking, personal recollections, an...

Shrouded in secrecy until recently, Colossus was the world's first fully-functioning electronic computer, built during the Second World War and used at Bletchley Park to crack the codes of high-level Nazi communications. This collection of essays delves into code-breaking, personal recollections, and declassified information.