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Pollock, Jackson

(Encyclopedia)Pollock, Jackson, 1912–56, American painter, b. Cody, Wyo. He studied (1929–31) in New York City, mainly under Thomas Hart Benton, but he was more strongly influenced by A. P. Ryder and the Mexica...

aquaculture

(Encyclopedia)aquaculture, the raising and harvesting of fresh- and saltwater plants and animals. The most economically important form of aquaculture is fish farming, an industry that accounts for an ever increasin...

poster

(Encyclopedia)poster, placard designed to be posted in some public place for purposes of commercial announcement or propaganda. Advertising makes wide use of posters, as do charitable and political organizations. I...

Zinoviev, Grigori Evseyevich

(Encyclopedia)Zinoviev, Grigori Evseyevich grĭgôˈrē yĭfsyāˈəvĭch zēnôˈvēĕf [key], 1883–1936, Soviet Communist leader, originally named Radomyslsky. He joined the Russian Social Democratic Labor part...

Russian and Soviet Rulers since 1462 (table)

(Encyclopedia)Russian and Soviet Rulers since 1462(including dates of rule) House of Rurik House of Godunov Usurpers House of Romanov Provisional Government(premiers) Soviet Russia (1917–22) and the U...

Sharon, Ariel

(Encyclopedia)Sharon, Ariel ärˈēĕl shärōnˈ [key], 1928–2014, Israeli general and politician, b. Kfar Malal as Ariel Scheinerman. As a teenager he joined the Haganah, the underground Zionist military brigad...

leprosy

(Encyclopedia)leprosy or Hansen's disease hănˈsənz [key], chronic, mildly infectious malady capable of producing, when untreated, various deformities and disfigurements. It is caused by the rod-shaped bacterium ...

Tolstoy, Leo, Count

(Encyclopedia)Tolstoy, Leo, Count, Rus. Lev Nikolayevich Tolstoi (lyĕf), 1828–1910, Russian novelist and philosopher, considered one of the world's greatest writers. About 1876 the doubts that had beset Tols...

Sforza

(Encyclopedia)Sforza sfôrˈtsä [key], Italian family that ruled the duchy of Milan from 1450 to 1535. Rising from peasant origins, the Sforzas became condottieri and used this military position to become rulers i...

skyscraper

(Encyclopedia)skyscraper, modern building of great height, constructed on a steel skeleton. The form originated in the United States. By convention, a skyscraper is a building that is used primarily for human h...

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