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Leo V, Byzantine emperor

(Encyclopedia)Leo V (Leo the Armenian), d. 820, Byzantine emperor (813–20), successor of Michael I. A former general, Leo successfully defended (813) Constantinople against the Bulgars and concluded a 30-year tru...

Constantine XI, Byzantine emperor

(Encyclopedia)Constantine XI (Constantine Palaeologus), d. 1453, last Byzantine emperor (1449–53), brother and successor of John VIII. To secure Western aid against the Turkish assault on what remained of the emp...

John XII, pope

(Encyclopedia)John XII, c.937–964, pope (955–64), a Roman (count of Tusculum) named Octavian; successor of Agapetus II and predecessor of either Leo VIII or Benedict V. His father, Alberic, secured John's elect...

Piccolomini, Ottavio

(Encyclopedia)Piccolomini, Ottavio ōt-täˈvyō pēk-kōlôˈmēnē [key], 1599–1656, Italian general in the service of the Holy Roman emperor during the Thirty Years War (1618–48). He came of a distinguished ...

Herzog, Roman

(Encyclopedia)Herzog, Roman, 1934–2017, German political leader and legal scholar. After receiving his doctorate in law from Ludwig Maximilian Univ., Munich (1958), he taught there, at the Free Univ. of Berlin (1...

Jakobson, Roman

(Encyclopedia)Jakobson, Roman rəmänˈ yäkˈôbsən [key], 1896–1982, Russian-American linguist and literary critic, b. Moscow. He coined the term structural linguistics and stressed that the aim of historical ...

nouveau roman

(Encyclopedia)nouveau roman or new novel: see French literature; Robbe-Grillet, Alain. ...

Polanski, Roman

(Encyclopedia)Polanski, Roman, 1933–, Polish-French film director, b. Paris. His family returned to Kraków, Poland, when he was three. His parents were imprisoned in Nazi concentration camps and his mother died ...

Vishniac, Roman

(Encyclopedia)Vishniac, Roman vĭshˈnēăk [key], 1897–1990, Russian-American biologist, photographer, linguist, art historian, and philosopher, b. Pavlosk, near St. Petersburg. Vishniac took degrees in medicine...

Roman art

(Encyclopedia)Roman art, works of art produced in ancient Rome and its far-flung provinces. The continued striving after three-dimensional illusionist effects revealed in the various phases of painting was dup...