GARY BROWN / SCIENCE PHOTO LIBRARY GARY BROWN / SCIENCE PHOTO LIBRARY
Thomas Edison. Caricature of the American inventor Thomas Edison (1847-1931), thinking about the light bulb, an 1879 invention of his. Edison filed over 1000 patents during his life, making him by far the most prolific inventor in modern history. As well as the light bulb, Edison designed and built the first gramophone, a stock ticker, a two- way telegraph, an electric railway and a motion picture camera.
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