Thomas Edison Thomas Edison Thomas Alva Edison (February 11, 1847October 18, 1931) was an American inventor and businessman, who has been described as America's greatest inventor. He is credited with developing 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 the long-lasting, practical electric light bulb, had a widespread impact on the modern industrialized world. He was one of the first inventors to apply the principles of mass production and teamwork to the process of invention, working with many researchers and employees. He is
Thomas Edison National Historical Park Thomas Edison National Historical Park Thomas Edison National Historical Park preserves Thomas Edison's laboratory and residence, "Glenmont", in Llewellyn Park in West Orange in Essex County, New Jersey, United States. These were designed, in 1887, by Henry Hudson Holly. For more than 40 years, the laboratory had a major impact on the lives of people worldwide. Out of the West Orange laboratories came the motion picture camera, improved phonographs, sound recordings, silent and sound movies and the nickel-iron alkaline electric storage battery. The history of how the site became a National Historical Park is complicated. Edison's home was designated as