H. J. Round

✶June 2, 1881

†August 17, 1966

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About their life

Captain Henry Joseph Round was an English engineer and one of the early pioneers of radio. He was the first to report the observation of electroluminescence from a solid state diode, leading to the discovery of the light-emitting diode. He was a personal assistant to Guglielmo Marconi.

British inventor (1881–1966)

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Biography from the article H. J. Round on the English Wikipedia, available under CC BY-SA 4.0.