Abstract One of the pleasures oí being in a profession as young as computing is that it is possible to have met many of its founding figures: Konrad Zuse, for example, the German engineer who could fairly lay el aim to being the first to have made a computer; Edmund C. Berkeley, the US writer who recently visited the BCS; Stanley Gill, a pioneer who also did much to help start the Computer Arts Society; as well as numerous BCS members whom 1 see from time to time. Computing and mathematics became central to my interests too late for me to have met Alan Turing – but I do know some who were well-acquainted with him from their work at Bletchley during the war or, in the following ten years, at NPL or Manchester. I first became aware of him in the mid-fifties after reading his article on solvable and unsolvable problems in the Penguin Science News. This was published in February 1954 and, as he died in June 1954, it must have been one of his last works. But it was not until the publication of his mother Sara’s biography of him in 1959 that I realised what an important and interesting figure he was.
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