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Dingell, John David, Jr.

(Encyclopedia)Dingell, John David, Jr., 1928–2019, American congressman, b. Colorado Springs, Colo.; grad. Georgetown Univ. (B.S., 1949; J.D., 1952). He served in the Army (1944–46) and after a brief career in ...

Mazandaran

(Encyclopedia)Mazandaran dĕränˈ [key], province (1991 pop. 3,793,149), c.20,400 sq mi (52,840 sq km), N Iran, bordering the Caspian Sea in the north. Sari is the capital; other cities include Babol, Amul, and Go...

Kelly, John

(Encyclopedia)Kelly, John, 1822–86, American politician, boss of Tammany Hall, b. New York City. He entered politics at an early age. At first he opposed Tammany Hall, but later (1853) joined the organization and...

rib

(Encyclopedia)rib, one of the slender, elongated, curved bones that compose the chest cage in higher vertebrates. Ribs occur in pairs, and are found in most vertebrates; however, in some lower vertebrates, includin...

pneumatic tool

(Encyclopedia)pneumatic tool no͝omătˈĭk [key], instrument activated by air pressure. Pneumatic tools are designed around three basic devices: the air cylinder, the vane motor, and the sprayer. The air cylinder ...

profit

(Encyclopedia)profit, in economics, return on capital, also called earnings, minus the costs of maintaining land, labor, and capital. It is also known as net income. Economic theorists generally make a distinction ...

Lindsay, John Vliet

(Encyclopedia)Lindsay, John Vliet vlēt [key], 1921–2000, American politician, mayor of New York City (1966–73), b. New York City. He practiced law and then served (1955–57) as executive assistant to Attorney...

Santos Calderón, Juan Manuel

(Encyclopedia)Santos Calderón, Juan Manuel, 1951–, Colombian government official and political leader. From a politically influential family, he studied at the Univ. of Kansas, London School of Economics, Harvar...

Stevens

(Encyclopedia)Stevens, family of U.S. inventors. John Stevens, 1749–1838, b. New York City, was graduated from King's College (now Columbia Univ.) in 1768. He studied law (1768–71) and soon joined his father, a...

Lagos Escobar, Ricardo

(Encyclopedia)Lagos Escobar, Ricardo rēkärˈdō läˈgōs āskōbärˈ [key], 1938–, Chilean political leader. A lawyer and economist, he was an academic and served as secretary-general of the Univ. of Chile un...

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