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Before Enigma: The Room 40 Codebreaker of the First World War by David Boyle (E

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14,19 €

Was it their gifted amateurism?. The brilliance of Alan Turing?. The invention of the very first computers?. Or the pioneering work of Polish cryptographers?. It was all of the above. But there is one other crucial factor, which is much less well known.

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