Bletchley-park

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Bletchley Park 'in serious disrepair'

£1m needed for the roof of the wartime codebreaking and computing centre

The aftermath of war

Clive Akass tells how Colossus was reborn after post-war paranoia kept it secret for 30 years and hindered the careers of two of computing’s founding fathers. This is the final part of our series
image: tony sale

Electronics give birth to the computer

Bletchley Park’s Colossus codebreaker had the elements of a general-purpose computer and valves gave it the necessary speed, writes Clive Akass in the second of three articles on early UK computing
image: Tom Flowers

The forgotten father of Colossus

In the first of three articles on early UK computing, Clive Akass tells how Tom Flowers built the first modern computer, helped save the world from the Nazis, and was written out of history