Sergey Dyozhkin died on January 5, 2000.
Sergey Narovchatov died in 1982.
Sergey Blazhko died in 1956.
Sergey von Freymann died in 1946.
Sergey Sergeyevich Smirnov - geologist - died in 1947.
Sergey Yustinovich Bagotsky died on 1953-03-15.
Sergey Dyozhkin's birth name is Sergey Borisovich Dyozhkin.
Sergey Dyozhkin was born on December 27, 1939.
Boris Dyozhkin died on March 13, 1992, in Moscow, Russia.
Boris Dyozhkin's birth name is Boris Petrovich Dyozhkin.
Boris Dyozhkin was born on August 19, 1914, in Kursk, Russian Empire [now Russia].
Sergey Lazo died in 1920.
Sergey Merkurov died in 1952.
Sergey Shupletsov died in 1995.
Sergey Zaryanko died in 1871.
Sergey Lunov died in 1978.
Sergey Shubinsky died in 1892.
Sergey Spigelglas died in 1941.