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Lafargue, Paul

(Encyclopedia)Lafargue, Paul pôl läfärgˈ [key], 1842–1911, French socialist, b. Cuba; son-in-law of Karl Marx. With Jules Guesde he helped found a Marxist socialist party in France. His many writings, which w...

Hallé, Sir Charles

(Encyclopedia)Hallé, Sir Charles hălˈē [key], 1819–95, German-English conductor and pianist, originally named Karl Halle. In 1857 he founded the Hallé Orchestra in Manchester, England He conducted many music...

Spitzweg, Carl

(Encyclopedia)Spitzweg, Carl kärl shpĭtsˈvĕk [key], 1808–85, German genre painter and draftsman. Self-taught, he depicted the daily life of his native Munich in small, charming pictures in which realism, fanc...

phosphorus

(Encyclopedia)phosphorus fŏsˈfərəs [key] [Gr.,=light-bearing], nonmetallic chemical element; symbol P; at. no. 15; at. wt. 30.97376; m.p. 44.1℃; b.p. about 280℃; sp. gr. 1.82 at 20℃; valence −3, +3, or ...

oxygen

(Encyclopedia)oxygen, gaseous chemical element; symbol O; at. no. 8; interval in which at. wt. ranges 15.99903–15.99977; m.p. −218.4℃; b.p. −182.962℃; density 1.429 grams per liter at STP; valence −2. T...

Gauss, Carl Friedrich

(Encyclopedia)Gauss, Carl Friedrich kärl frēˈdrĭkh gous [key], born Johann Friederich Carl Gauss, 1777–1855, German mathematician, physicist, and astronomer. Gauss was educated at the Caroline College, Brunsw...

Köpenick

(Encyclopedia)Köpenick köˈpənĭk [key], district of Berlin, E Germany, at the confluence of the Spree and Dahme rivers. It is an industrial center and a tourist spot, with forests and large lakes. Köpenick was...

Judd, Charles Hubbard

(Encyclopedia)Judd, Charles Hubbard, 1873–1946, American psychologist, b. India. He was educated at the Univ. of Leipzig (Ph.D., 1896), where he studied with Wilhelm Wundt. Judd taught at the Univ. of Cincinnati,...

de Blasio, Bill

(Encyclopedia)de Blasio, Bill, 1961–, American politician, b. New York City as Warren Wilhelm, Jr., B.A New York Univ., 1984, M.A. Columbia, 1987. A liberal Democrat, de Blasio worked in the New York City governm...

Conrad, Michael Georg

(Encyclopedia)Conrad, Michael Georg mĭkhˈäĕl gāˈôrk kônˈrät [key], 1846–1927, German critic and novelist. With Karl Bleibtreu, he founded (1885) the journal Gesellschaft as a rallying point for German w...