Hilda Ericsson
Homer Dudley

Thomas Edison

Early telephone innovator
Swipe for next person ×
Thomas Edison
1878
From Wikipedia

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, sound recording, and motion pictures. These inventions, which include the phonograph, the motion picture camera, and early versions of the electric light bulb, have had a widespread impact on the modern industrialized world. He was one of the first inventors to apply the principles of organized science and teamwork to the process of invention, working with many researchers and employees. He established the first industrial… More on Wikipedia →

Timeline events (7)

Western Union contracts with Thomas Edison and Elisha Gray to solve telegraph multiplexing
Edison develops the quadruplex (multiplexing) telegraph
Thomas Edison patents his carbon button transmitter
Bell acquires Edison's carbon button amplifier microphone patents from Western Union
Bell acquires Edison's carbon button amplifier microphone patents from Western Union
Edison establishes Edison Telephone of London to compete with Bell
British government rules for Bell against Edison's London Telephone Co.
National Telephone Co formed by merger of Bell and Edison interests
National Telephone Co formed by merger of Bell and Edison interests