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Sir Isaac Newton FRS (25 December 1642 – 20 March 1726/27 [a]) was an English polymath active as a mathematician, physicist, astronomer, alchemist, theologian, and author who was described in his time as a natural philosopher. [7]
Ignazio Porro (1801–1875), Italy – Porro prism, strip camera Valdemar Poulsen (1869–1942), Denmark – magnetic wire recorder , arc converter Joseph Priestley (1733–1804), UK – soda water