About Thomas A. Edison
Thomas Alva Edison (February 11, 1847 – October 18, 1931) was an American inventor and businessman. He developed many devices in fields such as electric power generation, mass communication, sound recording, and motion pictures. These inventions, which include the phonograph, the motion picture camera, and early versions of the electric...
More quotations from Thomas A. Edison
Genius is one per cent inspiration, ninety-nine per cent perspiration.