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Silvanus Phillips Thompson (born June 19, 1851, York, Yorkshire, Eng.β€”died June 12, 1916, London) was a British physicist and historian of science known for contributions in electrical machinery, optics, and X rays. He received both a B.A. (1869) and a D.Sc. (1878) from the University of London and was a popular teacher at University College, Bristol (1876–85), and at the City and Guilds Technical College, Finsbury (1885–1916). While teaching, Thompson contributed to the development of...