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Thomas Alva Edison

Born: 1847
Birthplace: Milan, Ohio

Electric lamp—Edison held 1,093 patents, including those for the incandescent electric lamp, the phonograph, the carbon telephone transmitter, and the motion-picture projector. He also created the world's first industrial research laboratory. (1973)

Died: 1931

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Harold E. Edgerton The National Inventors Hall of FameGertrude Belle Elion

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