Plekhanov Sylvester Ivanovich 
(1894–1971)

Soviet military hydrograph, captain 1 rank. 
Born in the village of Koshkino, Zagarinsk volost, Murom district, Vladimir province. His father worked at a local factory, made chests and blacksmith furs, worked on stoves and carpentry crafts. Mother was a peasant. 
Until 1909  Plekhanov lived in the village, after graduating from elementary school, engaged in self-education. After leaving the village, he served as a sailor on the Samaretz riverboat, then on the Anna ship of the Nobel Brothers partnership, from 1913 to 1914. was a worker at the Nobil plant in Astrakhan. 
In 1914 he was called up to the fleet, where he, after training in the Kronstadt navy, served as a sailor on the battleship "Gangut". In October 1919 Plekhanov entered the commanding staff school, participated in the battles with Yudenich, was wounded right through the chest. 
In 1921 for "hesitations during the Kronstadt insurrection", he was expelled from the school by a decision of the filtration commission and demobilized. For several months he served on the steamer "Concordia", then entered the Naval Hydrographic School in Leningrad, which he graduated in 1924. He began his hydrographic service on the hydrographic vessel "Azimuth", which was part of the Northern Hydrographic Expedition led by N.I. Evgenov, then during 1929 - 1933  was a member of the Separate Hydrographic Detachment of the Black Sea, holding the position of Deputy Chief of the detachment A.P. Belobrov. From 1934 he taught at Higher Naval School named after M.V. Frunze. 
He died in Leningrad, was buried in the Serafimov cemetery. 
The island is in the group of Southern Gorbovye Islands in the Sakhaniha Bay in the south of the southern island of Novaya Zemlya. Called and described by  hydrographs of the Northern Hydrographic Expedition in 1930.