Sergei Leonidovich Sokolov (born July 1, 1911), was Commander of the Leningrad military district from 1965 to 1984, 1st Deputy Defense Minister from 1967 to 1984. He was appointed Marshal of the Soviet Union in 1978. July 1 is the 182nd day of the year (183rd in leap years) in the Gregorian Calendar, with 183 days remaining. ... 1911 (MCMXI) was a common year starting on Sunday (click on link for calendar). ... Saint Petersburg (Russian: Санкт-Петербу́рг, English transliteration: Sankt-Peterburg), colloquially known as Питер (transliterated Piter), formerly known as Leningrad (Ленингра́д, 1924–1991) and Petrograd (Петрогра́д, 1914–1924), is a city located in Northwestern Russia on the delta of the river Neva at the east end of the Gulf of Finland... 1965 (MCMLXV) was a common year starting on Friday (the link is to a full 1965 calendar). ... 1984 (MCMLXXXIV) was a leap year starting on Sunday of the Gregorian calendar. ... 1967 (MCMLXVII) was a common year starting on Sunday of the Gregorian calendar (the link is to a full 1967 calendar). ... The rank of Marshal of the Soviet Union (Russian: Marshal Sovietskogo Soyuza [ÐаÑÑал СовеÑÑкого СоÑза]) was in practice the highest military rank of the Soviet Union. ... 1978 (MCMLXXVIII) was a common year starting on Sunday (the link is to a full 1978 calendar). ...
Often hailed as the father of ultrasonic testing, Sergei Y. Sokolov, famed Soviet scientist at the V.I. Ulyanov (Lenin) Electrotechnical Institute, Leningrad was born in 1897 in the same Russian city.
Sokolov recognized that a 'microscope' using sound waves with a frequency of 3,000 megahertz (MHz) would have a resolution equal to that of the optical microscope.
Sokolov, S.Y. (1948) Oscillations induced in a piezo-electric quartz rod by a non-uniform field.
Sergei Leonidovich Sokolov (Russian: Сергей Леонидович Соколов) (born July 1, 1911 in Eupatoria), was Commander of the Leningrad military district from 1965 to 1984, 1st Deputy Defense Minister from 1967 to 1984.
Since 1992 Sokolov was an advisor by the Defence Minister of Russia.
Sokolov is currently the oldest living Soviet Marshal.