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Humboldt, Alexander, Freiherr von
(Encyclopedia)Humboldt, Alexander, Freiherr von hŭmˈbōlt, Ger. älĕksänˈdər frīˈhĕr fən ho͝omˈbôlt [key], 1769–1859, German naturalist, inventor, explorer, and author, the most eminent scientist of ...Herbart, Johann Friedrich
(Encyclopedia)Herbart, Johann Friedrich yōˈhän frēˈdrĭkh hĕrˈbärt [key], 1776–1841, German philosopher and educator. Influenced by Leibniz, Kant, and Fichte, Herbart made many important contributions to ...Roux, Wilhelm
(Encyclopedia)Roux, Wilhelm ro͞o [key], 1850–1924, German anatomist, a founder of experimental embryology. He was a pupil of Ernst Haeckel and a professor (1895–1921) at the Univ. of Halle. In his studies of ...Ersch, Johann Samuel
(Encyclopedia)Ersch, Johann Samuel yōˈhän zäˈmo͞oĕl ĕrsh [key], 1766–1828, German encyclopedist, first editor of the great encyclopedia known as Ersch and Gruber's. At his death, 17 volumes had been compl...Lützen
(Encyclopedia)Lützen lütˈsən [key], town, Saxony, S central Germany. There, in the Thirty Years War, Gustavus II of Sweden defeated (1632) General Albrecht Wallenstein, but was killed in the battle; Marshal Got...calculus of variations
(Encyclopedia)calculus of variations, branch of mathematics concerned with finding maximum or minimum conditions for a relationship between two or more variables that depends not only on the variables themselves, a...Oncken, Wilhelm
(Encyclopedia)Oncken, Wilhelm ôngˈkən [key], 1838–1905, German historian. He taught at the Univ. of Giessen after 1866. A typical national liberal of the 19th cent., Oncken regarded history as a means of nati...Drobisch, Moritz Wilhelm
(Encyclopedia)Drobisch, Moritz Wilhelm mōˈrĭts vĭlˈhĕlm drōˈbĭsh [key], 1802–96, German philosopher and mathematician. He was a teacher at Leipzig and a follower and adherent of Johann Friedrich Herbart....Filchner, Wilhelm
(Encyclopedia)Filchner, Wilhelm vĭlˈhĕlm fĭlkhˈnər [key], 1877–1957, German explorer, geophysicist, and travel writer. He led several expeditions to China and Tibet, where he established magnetic stations, ...Deane, Silas
(Encyclopedia)Deane, Silas, 1737–89, political leader and diplomat in the American Revolution, b. Groton, Conn. A lawyer and merchant at Wethersfield, Conn., he was elected (1772) to the state assembly and became...Browse by Subject
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