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William Stanley Jevons (1835-1882), English economist and logician. Jevons is credited with inventing the first computer, a logical machine that he exhibited to the Royal Society in 1870. He studied chemistry and biology in London, but due to his father's financial problems, took a job as an assayer at the Australian mint, Sydney, for five years. On his return he completed his BA and MA degrees at the University of London. In 1866 he was elected Professor of logic, mental & moral philosophy and Cobden Professor of political economy at Owens college, Manchester. His work the Elementary Lessons on Logic became a standard text. He also foresaw an energy crisis with coal.
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