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User:R. K. Guy
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Richard Kenneth Guy (Sep 30, 1916 – Mar 9, 2020)
An itinerant mathematician who has been roaming the world in search of permanent employment. Met Neil Sloane in 1966, who said he had an idea for a book (remember books?) of integer sequences. Gave him some encouragement, saying that Leo Moser had also mentioned the possibility as a good idea.