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Kleinrock, Leonard

(Encyclopedia)Kleinrock, Leonard, 1934–, American computer scientist, b. New York City, B.E.E. City College of New York (1957), Ph.D. Massachusetts Institute of Technology (1963). Moving to the Univ. of Californi...

Zion, in the Bible

(Encyclopedia)Zion sīˈən [key], section of Jerusalem, defined in the Bible as the City of David. Originally the name referred to the Jebusite fortress conquered by David, on the southeastern hill of Jerusalem. Z...

Saint-Quentin

(Encyclopedia)Saint-Quentin săN-käNtăNˈ [key], city (1990 pop. 62,085), Aisne dept., N France, on the Somme River. Foundry products, machinery, textiles, and food products are manufactured. Saint-Quentin was fa...

Wiener, Norbert

(Encyclopedia)Wiener, Norbert, 1894–1964, American mathematician, educator, and founder of the field of cybernetics, b. Columbia, Mo., grad. Tufts College, 1909, Ph.D. Harvard, 1913. In 1920 he joined the faculty...

Tesla, Nikola

(Encyclopedia)Tesla, Nikola tĕsˈlə [key], 1856–1943, American electrician and inventor, b. Croatia (then an Austrian province). An ethnic Serb, he immigrated to the United States in 1884, worked for a short pe...

Leeuwenhoek, Antony van

(Encyclopedia)Leeuwenhoek, Antony van änˈtōnē vän lāˈvənho͞okˌ [key], 1632–1723, Dutch student of natural history and maker of microscopes, b. Delft. His use of lenses in examining cloth as a draper's a...

semantics

(Encyclopedia)semantics [Gr.,=significant] in general, the study of the relationship between words and meanings. The empirical study of word meanings and sentence meanings in existing languages is a branch of lingu...

blockade

(Encyclopedia)blockade, use of naval forces to cut off maritime communication and supply. Blockades may be used to prevent shipping from reaching enemy ports, or they may serve purposes of coercion. The term is rar...

Ezekiel

(Encyclopedia)Ezekiel ēzēˈkēĕl [key], prophetic book of the Bible. The book is a collection of oracles emanating from the career of the priest Ezekiel, who preached to Jews of the Babylonian captivity from 593...

Ripken, Cal, Jr.

(Encyclopedia)Ripken, Cal, Jr. (Calvin Edward Ripken, Jr.), 1960–, American baseball player, b. Havre de Grace, Md. The son of a long-time coach and manager in the Baltimore Orioles organization, he joined the te...