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Wolff, Caspar Friedrich

(Encyclopedia)Wolff, Caspar Friedrich käsˈpär frēˈdrĭkh vôlf [key], 1733–94, German biologist, a founder of observational embryology. In his Theoria generationis (1759) he reintroduced the theory of epigen...

Böttger, Johann Friedrich

(Encyclopedia)Böttger, Johann Friedrich yōˈhän frēˈdrĭkh bötˈgər [key], 1682–1719, German chemist and originator of Dresden china. When the Swedish invasion of Saxony occurred (1706), Böttger and his a...

Struensee, Johann Friedrich

(Encyclopedia)Struensee, Johann Friedrich yōˈhän frēˈdrĭkh shtro͞oˈənzā, stro͞oˈ– [key], 1737–72, Danish politician, b. Germany. As physician to Christian VII he gained complete mastery over the ins...

Beust, Friedrich Ferdinand

(Encyclopedia)Beust, Friedrich Ferdinand frēˈdrĭkh fĕrˈdĭnänt boist [key], 1809–86, Saxon and Austrian politician. He held various portfolios in the Saxon ministry and served as premier (1853–66), but hi...

Büsching, Anton Friedrich

(Encyclopedia)Büsching, Anton Friedrich änˈtōn frēˈdrĭkh büshˈĭng [key], 1724–93, German geographer and educator. He was professor of philosophy in Göttingen, was a Protestant minister, and was directo...

Blumenbach, Johann Friedrich

(Encyclopedia)Blumenbach, Johann Friedrich yōhänˈ frēˈdrĭkh blo͞oˈmənbäkh [key], 1752–1840, German naturalist and anthropologist. He introduced and developed the science of comparative anatomy in German...

Bessel, Friedrich Wilhelm

(Encyclopedia)Bessel, Friedrich Wilhelm frēdˈrĭkh vĭlˈhĕlm bĕsˈəl [key], 1784–1846, German astronomer and mathematician. He became (1810) director of the new observatory at Königsberg and professor of a...

world soul

(Encyclopedia)world soul, Lat. anima mundi, in philosophy, term denoting a universal spirit or soul that functions as an organizing principle. While many early Greek philosophers saw the world as of one principle, ...

Erlenmeyer, Richard A. C. E.

(Encyclopedia)Erlenmeyer, Richard A. C. E. ĕrˈlənmīˌər [key], 1825–1909, German chemist. He studied at Giessen under Justus von Liebig and at Heidelberg under Friedrich Kekulé, both German chemists. Erlenm...

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 ...