Aleksandr Popov (physicist)

Russian physicist (1859–1906)

Alexander Stepanovich Popov (sometimes spelled Popoff; Russian: Александр Степанович Попов; 16 March [O.S. 4 March] 1859 – 13 January 1906 [O.S. 31 December 1905]) was a Russian physicist who was one of the first people to invent a radio receiving device. Popov's work as a teacher at a Russian naval school led him to explore high-frequency electrical phenomena. On 7 May 1895, he presented a paper on a wireless lightning detector he had built that worked via using a coherer to detect radio noise from lightning strikes.

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