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Lobachevsky, Nikolai Ivanovich

(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...

Kalinin, Mikhail Ivanovich

(Encyclopedia)Kalinin, Mikhail Ivanovich mēkhəyēlˈ ēväˈnəvĭch kəlyēˈnyĭn [key], 1875–1946, Russian revolutionary. Of peasant origin, he was active in revolutionary affairs from his youth. He became t...

Herzen, Aleksandr Ivanovich

(Encyclopedia)Herzen, Aleksandr Ivanovich əlyĭksänˈdər ēväˈnəvĭch hârˈtsĭn [key], 1812–70, Russian revolutionary leader and writer. A member of the aristocracy, he was appalled at the brutality of hi...

Gurdjieff, George Ivanovich

(Encyclopedia)Gurdjieff, George Ivanovich gûrjēfˈ, –jĕfˈ [key], 1872–1949, Armenian spiritualist and author. After spending years traveling, Gurdjieff settled in Moscow (c.1913). He fled the Russian Revolu...

Glinka, Mikhail Ivanovich

(Encyclopedia)Glinka, Mikhail Ivanovich mēkhəyēlˈ ēväˈnəvĭch glēnˈkä [key], 1804–57, first of the nationalist school of Russian composers. His two operas, A Life for the Czar (1836) and Russlan and Lu...

Guchkov, Aleksandr Ivanovich

(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...

Denikin, Anton Ivanovich

(Encyclopedia)Denikin, Anton Ivanovich əntônˈ ēväˈnəvĭch dyĭnyēˈkĭn [key], 1872–1947, Russian general. The son of a serf, he rose from the ranks. After the Bolshevik Revolution in Nov., 1917 (Oct., 19...

Alferov, Zhores Ivanovich

(Encyclopedia)Alferov, Zhores Ivanovich, 1930–2019, Russian physicist, b. Vitebsk (now in Belarus), Ph.D. V. I. Ulyanov Electrotechnical Institute, 1952. He joined the research staff of the A. F. Ioffe Physico-Te...

Chaliapin, Feodor Ivanovich

(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...

Sikorsky, Igor Ivanovich

(Encyclopedia)Sikorsky, Igor Ivanovich sĭkôrˈskē [key], 1889–1972, American aeronautical engineer, b. Kiev, Russia. He immigrated to the United States in 1919 and was naturalized in 1928. Sikorsky built and f...

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