Most people believe that Thomas Alva Edison invented the electric light bulb. This isn’t true, but for all practical purposes, it might as well be. While working electric light bulbs had been demonstrated as early as 1800 in laboratory conditions, Edison was the first to develop an electric light bulb that could be manufactured and operated efficiently enough to be attractive for municipalities, businesses and, later, families.
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Edison Sheds Light on a Key Quality of Innovators
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