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Lie, Trygve Halvdan
(Encyclopedia)Lie, Trygve Halvdan trügˈvə hälvˈdän lē [key], 1896–1968, Norwegian statesman, first secretary-general of the United Nations. A lawyer and Labor party leader, he was Norwegian minister of jus...United Nations Secretaries-General (table)
(Encyclopedia)United Nations Secretaries-General ...Haavelmo, Trygve
(Encyclopedia)Haavelmo, Trygve trügˈvə hävelmō [key], 1911–99, Norwegian economist. In the 1940s, he was a pioneer in the field of econometrics, using mathematics and statistics in the formation of economic ...Hammarskjöld, Dag
(Encyclopedia)Hammarskjöld, Dag däg hämˈərshōldˌ, Swed. hämˈärshöldˈ [key], 1905–61, Swedish statesman, secretary-general of the United Nations (1953–61). He attended the universities of Uppsala and...lie detector
(Encyclopedia)lie detector, instrument designed to record bodily changes resulting from the telling of a lie. Cesare Lombroso, in 1895, was the first to utilize such an instrument, but it was not until 1914 and 191...plane
(Encyclopedia)plane, in mathematics, flat surface of infinite extent but no thickness. An example of a plane, or more exactly of a bounded portion of a plane, is the surface forming one face, or side, of a cube. A ...Lie, Marius Sophus
(Encyclopedia)Lie, Marius Sophus mäˈrēo͝os sōˈfo͝os lē [key], 1842–99, Norwegian mathematician. He is noted for his contributions to the theories of differential equations and continuous transformation gr...Lie, Jonas Lauritz Idemil
(Encyclopedia)Lie, Jonas Lauritz Idemil yōˈnäs louˈrĭts ēˈdəmēl lē [key], 1833–1908, Norwegian novelist, poet, and playwright. His writing deals with family life in diverse settings. The Pilot and His W...celestial horizon
(Encyclopedia)celestial horizon, one axis of the altazimuth coordinate system. It is the great circle on the celestial sphere midway between the observer's zenith and nadir; it divides the celestial sphere into two...Arrow Lakes
(Encyclopedia)Arrow Lakes, two expansions of the Columbia River, S British Columbia, Canada. Both lie in narrow valleys bounded by mountain ranges and are noted for their beauty. Upper Arrow Lake has an area of 88 ...Browse by Subject
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