The breaking of the Enigma machine is one of the most heroic stories of World War II, and highlights the crucial work of the Bletchley Park codebreakers which shortened the war by several years. But there was another code machine used by Hitler himself to convey messages to his …
Shrouded in secrecy until very 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 book contains fascinating accounts of Colossus, …
With an introductory essay on cryptography and the history of code-breaking by Simon Singh, this book reveals the workings of Colossus and the extraordinary staff at Bletchley Park through personal accounts by those who lived and worked with the computer.
The American ENIAC is customarily regarded as having been the starting point of electronic computation. This book rewrites the history of computer science, arguing that in reality Colossus--the giant computer built by the British secret service during World War II--predates ENIA…