Thomas Alva Edison was an American inventor and businessman. He was born on 11th February 1847 in Milon, U.S. He developed many inventions that highly used in our life and around the world. His inventions are electric bulb, phonograph, the motion picture camera, sound recorder and power utilities. His principles are applied to the Mass-Production. Edison was a creative inventor. In U.S, France, Germany and United Kingdom 1,093 ownership patents in his name. Edison inventions are applied to mass production and telecommunications. He developed the electrical power generation system.