Thomas Alva Edison
Thomas Alva Edison (February 11, 1847 – October 18, 1931) was an American inventor and businessman who developed many devices that greatly influenced life around the world, including the phonograph and the long-lasting, practical electric light bulb.
Benson John Lossing, ed. Harper's Encyclopedia of United States History (vol. 3) (New York, NY: Harper and Brothers, 1912)