"Colossus: Bletchley Park's Last Secret" by Paul Gannon is a paperback book published by Atlantic Books in 2007. This textbook delves into the subjects of Engineering & Technology, Government, Computer Science, and History, providing insights into the fascinating world of codebreaking at Bletchley Park during World War II. With 592 pages, this English language book explores the story of the Colossus machine and its crucial role in deciphering enemy codes.
This book is about recent history (war time ) a It is full of revelations of what these incredible mathematicians did, and how some of them were treated.The complex and intricate work they created was way above the best of us,. and of course they made the first computer.