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Sommerfeld, Arnold Johannes Wilhelm

(Encyclopedia)Sommerfeld, Arnold Johannes Wilhelm ärˈnōlt yōhänˈəs vĭlˈhĕlm zômˈərfĕlt [key], 1868–1951, German physicist and teacher. He received a Ph.D. at Königsburg Univ. in 1891 and was a prof...

Weierstrass, Karl Wilhelm Theodor

(Encyclopedia)Weierstrass, Karl Wilhelm Theodor kärl vĭlˈhĕlm tāˈōdōr vīˈərshträs [key], 1815–97, German mathematician. From 1864 he was professor of mathematics at the Univ. of Berlin. His developmen...

Kekulé von Stradonitz, Friedrich August

(Encyclopedia)Kekulé von Stradonitz, Friedrich August frēˈdrĭkh ouˈgo͝ost kāˈko͞olā fən shträˈdōnĭts [key], 1829–96, German organic chemist. He was professor at Ghent (1858–65) and at Bonn from 1...

Hardenberg, Karl August, Fürst von

(Encyclopedia)Hardenberg, Karl August, Fürst von kärl ouˈgo͝ost fürst fən härˈdənbĕrk [key], 1750–1822, Prussian administrator and diplomat, b. Hanover. After service for Hanover and Brunswick, he enter...

Gneisenau, August, Graf Neithardt von

(Encyclopedia)Gneisenau, August, Graf Neithardt von ouˈgo͝ost gräf nītˈhärt fən gənīˈzənou [key], 1760–1831, Prussian field marshal. In the Napoleonic Wars he fought at Jena (1806) and, as a major, won...

Varnhagen von Ense, Karl August

(Encyclopedia)Varnhagen von Ense, Karl August kärl ouˈgo͝ost färnˈhägən fən ĕnˈzə [key], 1785–1858, German poet, historian, and journalist. He collaborated with Chamisso and other writers and wrote Bio...

Schlegel, Friedrich von

(Encyclopedia)Schlegel, Friedrich von fən shlāˈgəl [key], 1772–1829, German philosopher, critic, and writer, most prominent of the founders of German romanticism. Educated in law at Göttingen and Leipzig, h...

Bülow, Friedrich Wilhelm, Freiherr von

(Encyclopedia)Bülow, Friedrich Wilhelm, Freiherr von fən büˈlō [key], 1755–1816, Prussian general in the Napoleonic Wars. After his victories (1813) over the French at Gross Beeren and at Dennewitz he was c...

Leibniz, Gottfried Wilhelm, Baron von

(Encyclopedia)Leibniz or Leibnitz, Gottfried Wilhelm, Baron von both: gôtˈfrēt vĭlˈhĕlm bärônˈ fan līpˈnĭts [key], 1646–1716, German philosopher and mathematician, b. Leipzig. Although known primarily...

Seydlitz, Friedrich Wilhelm, Freiherr von

(Encyclopedia)Seydlitz, Friedrich Wilhelm, Freiherr von frēˈdrĭkh vĭlˈhĕlm frīˈhĕr fən zīdˈlĭts [key], 1721–73, Prussian general under Frederick II. He helped restore the effectiveness of the Prussia...

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