Columbia Encyclopedia

(Encyclopedia) Pavlov, Ivan Petrovich ēvänˈ pētrôˈvĭch pävˈləf [key], 1849–1936, Russian physiologist and experimental psychologist. He was professor at the military medical academy and director of the p...

(Encyclopedia) Ivan V, 1666–96, czar of Russia (1682–96), son of Czar Alexis by his first wife. Ivan was mentally retarded, and on the death of his elder brother, Feodor III, his succession was opposed by the su...

(Encyclopedia) Katayev, Yevgeny Petrovich: see Petrov, Yevgeny Petrovich. ...

(Encyclopedia) Petrov, Yevgeny Petrovich yĭvgāˈnyē pētrôˈvĭch pētrôfˈ [key], 1903–42, Russian writer and journalist; brother of the dramatist Valentin P. Katayev. His original name was Yevgeny Petrovich...

(Encyclopedia) Pogodin, Mikhail Petrovich mēkhəyēlˈ pētrôˈvĭch pəgôˈdyĭn [key], 1800–1875, Russian historian and publisher. His conservative journal The Muscovite (1841–56) defended the policies of N...

(Encyclopedia) Sumarokov, Aleksandr Petrovich əlyĭksänˈdər pētrôˈvĭch so͞omərôˈkəf [key], 1718–77, Russian dramatist and poet. Sumarokov wrote fables, satires, lyrics, and comic odes in the classical...

(Encyclopedia) Artzybashev, Mikhail Petrovich mēkhəyēlˈ pētrôˈvĭch ärtsĭbäˈshĕf [key], 1878–1927, Russian novelist, playwright, and essayist. Artzybashev's early works were short stories in the manner...

(Encyclopedia) Rozhdestvenski, Zinovi Petrovich zēnôˈvē pētrôˈvĭch rəzhdyĭstvyĕnˈskē [key], 1848–1909, Russian admiral. Commander of the Baltic fleet at the time of the Russo-Japanese War of 1904–5,...

(Encyclopedia) Katayev, Valentin Petrovich vəlyĭntyēnˈ pētrôˈvĭch kətīˈəf [key], 1897–1986, Russian novelist, short-story writer, and playwright. Katayev's novels portray almost the entire range of Sov...

(Encyclopedia) behavior therapy or behavior modification, in psychology, treatment of human behavioral disorders through the reinforcement of acceptable behavior and suppression of undesirable behavior. The techniqu...