This is the last untold story of Bletchley Park. Using recently declassified information, Paul Gannon has written a gripping account of the invention of the world''s first true computer, Colossus.

Uncover the secrets of Bletchley Park''s code-breaking computers.

In 1940, almost a year after the outbreak of the Second World War, Allied radio operators at an interception station in South London began picking up messages in a strange new codeUsing science, maths, innovation and improvisation BletchleyPark codebreakers worked furiously to invent a machine to decipher what turned out to be the secrets of Nazi high command. It was called Colossus.

What these codebreakers didn''t realize was that they had fashioned the world''s first true computerWhen the war ended, this incredible invention was dismantled and hidden away for almost 50 years. Paul Gannon has pieced together the tremendous story of what is now recognized as the greatest secret of BletchleyPark.

''Gannon''s book contains a mass of utterly fascinating and largely unknown material about an immensely important wartime project, and is very welcome indeed.'' - Brian Randell, TES



Format Häftad Omfång 592 sidor Språk Engelska Förlag Atlantic Books Utgivningsdatum 2007-01-11 ISBN 9781843543312