Sergey Sergeyevich Smirnov - geologist - died in 1947.
Tikhon Sergeyevich Tschitscherine died in 1904.
Aleksandr Sergeyevich Senatorov died in 1998.
Vasily Alexandrovich Smirnov died in 1979.
Sergey Narovchatov died in 1982.
Sergey Blazhko died in 1956.
Vasily Sergeyevich Smirnov died in 1973.
Sergey Ivanovich Smirnov died on 2006-11-08.
Vladimir Sergeyevich Timiryov died in 1938.
Alexander Sergeyevich Menshikov died in 1869.
Alexey Sergeyevich Yermolov died in 1917.
Alexander Sergeyevich Yakovlev died in 1989.
Alexander Sergeyevich Stroganov died in 1811.
Nikolay Sergeyevich Krylov died in 1947.
Grigory Sergeyevich Golitsin died in 1907.
Tikhon Sergeyevich Tschitscherine died in 1904.
Aleksandr Sergeyevich Senatorov died in 1998.
Vassili Smirnov died in 1987.