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Thomas Alva Edison was born
Brith place :Milan, Ohio -
He worked as a telegrapher (1862 – 68) before deciding to pursue invention and entrepreneurship
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The electric pen.
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Edison invented the carbon-button transmitter
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incandescent lightbulb (1879).
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known as:The man who invented the light bulb
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He supervised the installation of the world's first permanent commercial central power system, in lower Manhattan.
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He built a new laboratory in West Orange, N.J. Its first major endeavour was the commercialization of the phonograph, which Alexander Graham Bell had improved on since Edison's initial invention.
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Yet another major invention, the nickel-alkaline storage battery with lithium.
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Naval secretary Josephus Daniels enlisted Edison to organize and chair a Naval Consulting Board to provide technical counsel to the navy.
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Edison was the most prolific inventor of all time, receiving 1093 patents in the United States alone and laying the groundwork for many technological innovations of the 20th century.
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Died
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still used in telephone speakers and microphones today. the phonograph (1877
