Sergei Sokolov

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Sokolov, Sergei Iakovlevich


Born Sept. 26 (Oct. 8), 1897, in the village of Kriazhim, Saratov Province; died May 20, 1957, in Leningrad. Soviet physicist. Corresponding member of the Academy of Sciences of the USSR (1953). Member of the CPSU from 1953.

After graduating from the Leningrad Institute of Electrical Engineering in 1925, Sokolov joined the institute’s staff. He became a professor at the institute in 1933.

Sokolov’s principal works deal with acoustics, in particular, the physics of ultrasound and its applications. In 1927 he established the ability of ultrasound to pass through metal without noticeable absorption; he made use of this phenomenon in 1928 to detect flaws in metals. He also developed designs for ultrasonic flaw detectors.

Sokolov received the State Prize of the USSR in 1942 and 1951 and was awarded the Order of Lenin, the Order of the Red Banner of Labor, and several medals.


“Zur Frage der Fortpflanzung ultraakustischer Schwingungen in verschiedenen Kórpern.” Elektrische Nachrichten-Technik, 1929, vol. 6, issue 11, pp. 454–61.
Osnovy elektroakustiki, part 1. Leningrad, 1932.
“Sovremennye problemy primeneniia ul’trazvuka.” Uspekhi fizicheskikh nauk, 1950, vol. 40, issue 1.


“Sokolov, S. la.” (obituary). Akusticheskii zhurnal, 1957, vol. 3. is sue 3.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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