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Semyonov, Nikolay Nikolayevich

(Encyclopedia)Semyonov, Nikolay Nikolayevich, or Nikolai Nikolaevic Semenov, 1896–1986, Soviet physical chemist, Ph.D. Petrograd Univ., 1917. Semyonov was a professor at the Leningrad Physico-Technical Institute ...

Church Slavonic

(Encyclopedia)Church Slavonic, language belonging to the South Slavic group of the Slavic subfamily of the Indo-European family of languages (see Slavic languages). Although it is still the liturgical language of m...

Nestorianism

(Encyclopedia)Nestorianism, Christian heresy that held Jesus to be two distinct persons, closely and inseparably united. In 428, Emperor Theodosius II named an abbot of Antioch, Nestorius (d. 451?), as patriarch of...

Thompson, Francis

(Encyclopedia)Thompson, Francis, 1859–1907, English poet. His poetry, usually on religious subjects, is noted for its brilliant imagery and sonorous language. He was educated for the Roman Catholic priesthood at ...

Monophysitism

(Encyclopedia)Monophysitism mənŏfˈĭsĭtˌĭzəm [key] [Gr.,=belief in a single nature], a heresy of the 5th and 6th cent., which grew out of a reaction against Nestorianism. It was anticipated by Apollinarianis...

Pohl, Frederik

(Encyclopedia)Pohl, Frederik (Frederik George Pohl, Jr.) pōl [key], 1919–2013, American science-fiction writer, b. New York City. Early in his career he often collaborated with other writers, particularly Cyril ...

Olomouc

(Encyclopedia)Olomouc ôˈlômōts [key], Ger. Olmütz, city (1991 pop. 105,537), E central Czech Republic, in Moravia, on the Morava River. Olomouc is an industrial city, with factories producing machinery, applia...

patristic literature

(Encyclopedia)patristic literature, Christian writings of the first few centuries. They are chiefly in Greek and Latin; there is analogous writing in Syriac and in Armenian. The first period of patristic literature...

Michael III, Byzantine emperor

(Encyclopedia)Michael III (Michael the Amorian or Phrygian), 836–67, Byzantine emperor (842–67), son and successor of Theophilus and grandson of Michael II. His minority saw the final overthrow of iconoclasm an...

Khazars

(Encyclopedia)Khazars khäˈzärz [key], ancient Turkic people who appeared in Transcaucasia in the 2d cent. a.d. and subsequently settled in the lower Volga region. They emerged as a force in the 7th cent. and ros...

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