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Fourier, Charles
(Encyclopedia) Fourier, CharlesFourier, Charlesshärl f&oomacr;ryāˈ [key], 1772–1837, French social philosopher. From a bourgeois family, he condemned existing institutions and evolved a kind of…Great Rift Valley
(Encyclopedia) Great Rift Valley, geological fault system of SW Asia and E Africa. It extends c.3,000 mi (4,830 km) from N Syria to central Mozambique. The northernmost extension runs S through Syria…Hanover, house of
(Encyclopedia) Hanover, house of, ruling dynasty of Hanover (see Hanover, province), which was descended from the Guelphs and which in 1714 acceded to the British throne in the person of George I.…Hudson River school
(Encyclopedia) Hudson River school, group of American landscape painters, working from 1825 to 1875. The 19th-century romantic movements of England, Germany, and France were introduced to the United…Maurice, duke and elector of Saxony
(Encyclopedia) Maurice, 1521–53, duke (1541–47) and elector (1547–53) of Saxony. A member of the Albertine branch of the ruling house of Saxony, he became duke of Albertine Saxony during the…mendelevium
(Encyclopedia) mendeleviummendeleviummĕndəlāvˈēəm [key], artificially produced radioactive chemical element; symbol Md; at. no. 101; mass no. of most stable isotope 258; m.p. 827℃; b.p. and sp. gr.…Dallas, George Mifflin
(Encyclopedia) Dallas, George Mifflin, 1792–1864, American statesman, vice president of the United States (1845–49), b. Philadelphia; son of Alexander James Dallas. He read law, was admitted (1813)…americium
(Encyclopedia) americiumamericiumămərĭˈshēəm [key], artificially produced radioactive chemical element; symbol Am; at. no. 95; mass no. of most stable isotope 243; m.p. about 1,175℃; b.p. about 2,600…motivation
(Encyclopedia) motivation, in psychology, the intention of achieving a goal, leading to goal-directed behavior. Some human activity seems to be best explained by postulating an inner directing drive…Beck, Aaron Tempkin
(Encyclopedia) Beck, Aaron Tempkin, 1921-2021, American psychiatrist, b. Providence, R.I., Brown Univ. (B.A., 1942), Yale Univ. (M.D., 1946).…