There’s a thrill in first reading Patrick Blackett’s MI5 file, because it has big red ‘SECRET’ stamps on it. But it also tells the story of a colossal misjudgement.
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Manchester bus fog tricycle. That’s all.
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Alan Turing’s Manchester has been many years in the making. My intention is to use this blog as a way of sharing some of the material that didn’t make it into the book. So it’s appropriate to start with an image I first saw 30 years ago, in King’s College Cambridge, and didn’t understand. I still don’t quite understand it…
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