Alexander Stepanovich Popov
Russian physicist
Died when: 46 years 303 days (561 months)Star Sign: Pisces
Alexander Stepanovich Popov (sometimes spelled Popoff;Russian: ??????´??? ?????´????? ????´?;March 16 [O.S.March 4] 1859 – January 13 [O.S.December 31, 1905] 1906) was a Russian physicist, who was one of the first persons 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.
This day is celebrated in the Russian Federation as Radio Day.In a 24 March 1896 demonstration, he transmitted radio signals 250 meters between different campus buildings in St.
Petersburg.His work was based on that of another physicist – Oliver Lodge, and contemporaneous with the work of Guglielmo Marconi.
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