Historic Photos of Thomas Edison
DeGraaf, Leonard
With 1, 093 U.S. patents to his credit, Thomas Edison was one of history's most prolific and influential inventors. His Menlo Park and West Orange, New Jersey, laboratories pioneered industrial research and produced the first phonograph, practical incandescent electric lamp, and motion picture camera. Edison was also an entrepreneur who created dozens of companies to market his inventions, and he played important roles in the creation of the e...
