A collection of rare documents by World War Two codebreaker Alan Turing have been saved for the nation. Last year, a temporary export bar was placed on the wartime project writings to prevent them ...

Alan Turing was an English mathematician, wartime code-breaker and pioneer of computer science. Photo: Alan Turing with two colleagues and a Ferranti computer in January 1951. Turing had ...

A collection of rare project writings by Second World War codebreaker Alan Turing has been saved for the nation after an export bar was placed on them to prevent them being taken abroad.