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PBS
Pbs: Who Made America?: Innovators: Thomas Edison
The "Wizard of Menlo Park" brought the world electric light, recorded music, and the movies, among other things, and turned innovation into a science by inventing the research laboratory.
Massachusetts Institute of Technology
Mit: Invention of the Week: Thomas Alva Edison
As the inventor of the lightbulb, phonograph, and the printing telegraph, Thomas Alva Edison (1847-1931), improved the daily lives of everyday people.