: Electric Lamp [...] One of the outstanding geniuses in the history of technology, Thomas Edison earned patents for over a thousand inventions, including the incandescent electric lamp, the phonograph, the carbon transmitter and the motion picture projector. He also created the world's first industrial research laboratory.
: in recognition of the merits of his numerous and valuable inventions, especially his improvements in telegraphy, in telephony, and in electric lighting, and for his discovery of a means of reproducing vocal sounds by the phonograph
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