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Nägeli, Karl Wilhelm von

(Encyclopedia)Nägeli or Naegeli, Karl Wilhelm von both: kärl vĭlˈhĕlm fən nāˈgəlē [key], 1817–91, Swiss botanist. He was professor at the Univ. of Munich from 1858 and was noted especially for his work ...

Engels, Friedrich

(Encyclopedia)Engels, Friedrich frēˈdrĭkh ĕngˈəls [key], 1820–95, German socialist; with Karl Marx, one of the founders of modern Communism (see communism). The son of a wealthy Rhenish textile manufacturer...

Logau, Friedrich, Freiherr von

(Encyclopedia)Logau, Friedrich, Freiherr von frēˈdrĭkh frīˈhĕr fən lōˈgou [key], 1604–55, German poet, b. Silesia. Influenced by Martin Opitz, Logau wrote epigrams in the contemporary fashion, bringing a...

Hofmann, August Wilhelm von

(Encyclopedia)Hofmann, August Wilhelm von ouˈgo͝ost vĭlˈhĕlm fən hôfˈmän [key], 1818–92, German organic chemist. He was professor at the Univ. of Berlin from 1865 and was a founder (1868) of the German C...

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 ...

Chladni, Ernst Florens Friedrich

(Encyclopedia)Chladni, Ernst Florens Friedrich ĕrnst flōˈrĕns frēˈdrĭkh klädˈnē [key], 1756–1827, German physicist. An authority on acoustics, he made studies of the transmission of sound in various gas...

Dedekind, Julius Wilhelm Richard

(Encyclopedia)Dedekind, Julius Wilhelm Richard yo͞olˈyo͝os vĭlˈhĕlm rĭkhˈärt dāˈdəkĭnt [key], 1831–1916, German mathematician. Dedekind studied at Göttingen under the German mathematician Carl Gauss...

Naegeli, Karl Wilhelm von

(Encyclopedia)Naegeli, Karl Wilhelm von: see Nägeli. ...

Grimm, Friedrich Melchior, Baron

(Encyclopedia)Grimm, Friedrich Melchior, Baron frēˈdrĭkh mĕlˈkhēôr bärōnˈ grĭm [key], 1723–1807, German man of letters in France. He contributed to the Encyclopédie articles on music that were bellige...

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...