A collection of papers written by the British mathematician Alan Turing was discovered in November 2024, buried among the personal effects of Norman Routledge, a Cambridge mathematician. According to Hansons Auctioneers, the family had been on the verge of shredding the papers before deciding to have them assessed. Seven months later, in June 2025, the lot sold for £465,400 at Hansons Rare Book Auctions in Staffordshire, more than triple the presale estimate.
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