Aleksandr Popov (physicist)

Alexander Stepanovich Popov (sometimes spelled Popoff; Russian: Александр Степанович Попов; 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 people to invent a radio receiving device.

In this name that follows Eastern Slavic naming customs, the patronymic is Stepanovich and the family name is Popov.
Alexander Popov
Александр Попов
Born
Alexander Stepanovich Popov

(1859-03-16)16 March 1859
Turyinskiye Rudniki, Perm Governorate, Russian Empire
Died13 January 1906(1906-01-13) (aged 46)
St. Petersburg, Russian Empire
Known forRadio
Awards
  • Order of St. Anna III (1895)
  • Silver medal of Alexander III (1896)
  • Order of Saint Stanislaus II (1897)
  • Prize of Russian Technical Society (1898)
  • Order of St. Anna II (1902)
Signature

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 today in Russia 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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