Thomas Alva Edison 1847-1931

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He gave us the light bulb, the phonograph, motion picture projector and more than 1,300 other patented inventions, but Thomas Alva Edison is considered one of history’s greatest entrepreneurs for his ability to develop the profit potential of his creations. He was the first professional inventor who used the profits from his creations to fund further research and development, eventually establishing his R&D facility at Menlo Park, N.J.

Quote: "I have not failed. I've just found 10,000 ways that won't work."