Karl Popper was not always forthcoming about his early life and his early intellectual trajectory may surprise some of his admirers.

ECONOMIST: Non-fiction

Given his early intellectual trajectory, the fact that he is now building a 10, 000-year clock in an eastern Nevada mountainside kind of makes sense.

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Blackburn's new novel follows a clear trajectory in the author's intellectual development: from imagined biographies to what I suspect are highly autobiographical imaginings.

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