Statue of the Russian physicist Alexander Popov at the Lomonosov Moscow State University in Moscow, Russia
Alexander Stepanovich Popov (March 16, 1859 – January 13, 1906) was a Russian physicist who first demonstrated the practical application of electromagnetic (radio) waves, although he did not apply for a patent for his invention. Beginning in the early 1890s he continued the experiments of other radio pioneers, such as Heinrich Hertz. In 1894 he built his first radio receiver, a version of the coherer. Further refined as a lightning detector, it was presented to the Russian Physical and Chemical Society on May 7, 1895—the day has been celebrated in the Russian Federation as "Radio Day". The paper on his findings was published the same year. In March 1896, he effected transmission of radio waves between different campus buildings in St Petersburg. Upon learning about Guglielmo Marconi's system, he effected ship-to-shore communication over a distance of 6 miles in 1898 and 30 miles in 1899.
Size: 3493px × 5242px
Location: Lomonosov Moscow State University, GSP-1, Leninskie Gory, Moscow, Russia, Eastern Europe, Europe
Photo credit: © DE ROCKER / Alamy / Afripics
License: Licensed
Model Released: No
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