William Oughtred, English minister and mathematician (born 1575)

William Oughtred

English mathematician (1574–1660)

William Oughtred, also Owtred, Uhtred, etc., was an English mathematician and Anglican clergyman. After John Napier discovered logarithms and Edmund Gunter created the logarithmic scales upon which slide rules are based, Oughtred was the first to use two such scales sliding by…