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Bebel, August
(Encyclopedia)Bebel, August ouˈgo͝ost bāˈbəl [key], 1840–1913, German Socialist leader. A wood turner by trade, he became a Marxian Socialist under the influence of Wilhelm Liebknecht. At a congress at Eisen...Sickingen, Franz von
(Encyclopedia)Sickingen, Franz von fränts fən zĭˈkĭngən [key], 1481–1523, German knight. Placed under the ban of the Holy Roman Empire because of his profitable forays along the Rhine, he served King Franci...Menger, Carl
(Encyclopedia)Menger, Carl kärl mĕngˈər [key], 1840–1921, Austrian economist, a founder of the Austrian school of economics. He was professor of economics at the Univ. of Vienna from 1873 until 1903, when he ...X-ray crystallography
(Encyclopedia)X-ray crystallography, the study of crystal structures through X-ray diffraction techniques. When an X-ray beam bombards a crystalline lattice in a given orientation, the beam is scattered in a defini...Riemann, Bernhard
(Encyclopedia)Riemann, Bernhard (Georg Friedrich Bernhard Riemann) gāˈôrk frēˈdrĭkh bĕrnˈhärt rēˈmän [key], 1826–66, German mathematician. He studied at the universities of Göttingen and Berlin and w...Koblenz
(Encyclopedia)Koblenz kōˈblĕnts [key], Eng. Coblenz, city (1994 pop. 109,810), Rhineland-Palatinate, W Germany, at the confluence of the Rhine and the Moselle (Ger. Mosel ) rivers. Its manufactures include fur...Tell, William
(Encyclopedia)Tell, William, legendary Swiss patriot. According to legend, Tell was a native of Uri, one of the Swiss forest cantons. Gessler, the canton's Austrian bailiff, decreed that Swiss citizens must remove ...roentgenium
(Encyclopedia)roentgenium, artificially produced radioactive chemical element; symbol Rg; at. no. 111; mass number of most stable isotope 280; m.p., b.p., sp. gr., and valence unknown. Situated in Group 11 of the p...geopolitics
(Encyclopedia)geopolitics, method of political analysis, popular in Central Europe during the first half of the 20th cent., that emphasized the role played by geography in international relations. Geopolitical theo...yttrium
(Encyclopedia)yttrium ĭtˈrēəm [key] [for Ytterby, a town in Sweden], metallic chemical element; symbol Y; at. no. 39; at. wt. 88.90585; m.p. about 1,522℃; b.p. 3,338℃; sp. gr. about 4.45; valence +3. Yttriu...Browse by Subject
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