Columbia Encyclopedia

(Encyclopedia) Guchkov, Aleksandr Ivanovich əlyĭksänˈdər ēväˈnəvĭch go͝ochˈkôf [key], 1862–1936, Russian political leader. A prominent businessman, during the 1905 revolution he helped found the Octob...

(Encyclopedia) Lobachevsky, Nikolai Ivanovich nyĭkəlīˈ ēväˈnəvĭch ləbəchĕfˈskē [key], 1793–1856, Russian mathematician. A pioneer in non-Euclidean geometry, he challenged Euclid's fifth postulate tha...

(Encyclopedia) Shelekhov, Grigori Ivanovich grĭgôˈrē ēväˈnəvĭch shĕˈlyĭkhəf [key], 1747–95, Russian fur trader in North America, b. Rylsk, Ukraine. He had built up a large fur business in Siberia when...

(Encyclopedia) Bagration, Piotr Ivanovich, Prince pyôˈtər ēväˈnəvyĭch bägrätēōnˈ [key], 1765–1812, Russian general in the French Revolutionary and Napoleonic Wars. He fought under Field Marshal Suvoro...

(Encyclopedia) Pirogov, Nikolai Ivanovich nyĭkəlīˈ ēväˈnəvĭch pĭrōgôfˈ [key], 1810–81, Russian surgeon, b. Moscow. He entered Moscow Univ. at the age of 14 and completed the medical curriculum at 17. ...

(Encyclopedia) helicopter, type of aircraft in which lift is obtained by means of one or more power-driven horizontal propellers called rotors. When the rotor of a helicopter turns it produces reaction torque which ...

(Encyclopedia) Rykov, Aleksey Ivanovich əlyĭksyāˈ ēväˈnəvĭch rēˈkôf [key], 1881–1938, Russian revolutionary and Communist leader. A Bolshevik, he became commissar for the interior after the October Rev...

(Encyclopedia) Chaliapin, Feodor Ivanovich fyôˈdər ēväˈnəvĭch shəlyäˈpyĭn [key], 1873–1938, Russian operatic bass. His powerful and supple voice, together with his tremendous physique, his gusto, and h...

(Encyclopedia) Mendeleev, Dmitri Ivanovich mĕndəlāˈəf, Rus. dəmēˈtrē ēväˈnəvĭch myĭndyĭlyāˈəf [key], 1834–1907, Russian chemist. He is famous for his formulation (1869) of the periodic law and t...

(Encyclopedia) Vavilov, Nikolai Ivanovich nyĭkəlīˈ ēväˈnəvĭch vəvēˈləf [key], 1887–1943?, Russian botanist and geneticist. He is reported to have died in a Soviet concentration camp after losing polit...