Between 1904 and 1906 he took part in an expedition to the Kolyma River in Siberia, and in 1909 he visited the Altay Mountains, and he made his final expedition in 1925 on the Chukchi Peninsula.
Sergei Rachmaninoff | Sergei Prokofiev | Sergei Eisenstein | Aleksandr Aleksandrovich Stackelberg | Sergei Parajanov | Sergei Diaghilev | Sergei Witte | Sergei Ivanov | Sergei Ivanovich Osipov | Sergei Bondarchuk | Sergei Bagapsh | Ivan Sergei | Sergei Yefimovich Zakharov | Sergei Polusmiak | Sergei Osipov | Grand Duke Sergei Alexandrovich of Russia | Sergei Zimin | Sergei Ordzhonikidze | Sergei Kurzanov | Sergei Babayan | Sergei Yursky | Sergei Tretyakov | Sergei Sychyov | Sergei Stadler | Sergei Skripka | Sergei Pavlovich Baltacha | Sergei Pavlenko | Sergei Lyapunov | Sergei Gusev | Sergei Gukov |