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De Kalb, Johann

(Encyclopedia)De Kalb, Johann: see Kalb, Johann. ...

Döbereiner, Johann Wolfgang

(Encyclopedia)Döbereiner, Johann Wolfgang yōˈhän vôlfˈgäng döˈbərīnər [key], 1780–1849, German chemist. From 1810 he was professor of the Univ. of Jena. He is known especially for his discovery of sim...

Droysen, Johann Gustav

(Encyclopedia)Droysen, Johann Gustav yōhänˈ go͝osˈtäf droiˈzən [key], 1808–84, German historian. A member of the Frankfurt Parliament, he was a leading proponent of German unification under the leadership...

Albrechtsberger, Johann Georg

(Encyclopedia)Albrechtsberger, Johann Georg yōˈhän gāˈôrk älˈbrĕkhtsbĕrˌgər [key], 1736–1809, Austrian musical theorist, teacher, and composer. He became (1772) court organist in Vienna and later was ...

Encke, Johann Franz

(Encyclopedia)Encke, Johann Franz yōˈhän fränts ĕngˈkə [key], 1791–1865, German astronomer. He was assistant (1816–22) and director (1822–25) of the observatory at Seeberg (near Gotha) and director (fr...

Fichte, Johann Gottlieb

(Encyclopedia)Fichte, Johann Gottlieb yōˈhän gôtˈlēp fĭkhˈtə [key], 1762–1814, German philosopher. After studying theology at Jena and working as a tutor in Zürich and Leipzig, he became interested in K...

Hummel, Johann Nepomuk

(Encyclopedia)Hummel, Johann Nepomuk yōˈhän nāˈpōmo͝ok ho͝omˈəl [key], 1778–1837, Hungarian-born pianist and composer. In piano technique and improvisatory ability Hummel was thought to rival Beethoven....

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 ...

Hasse, Johann Adolph

(Encyclopedia)Hasse, Johann Adolph yōˈhän äˈdôlf häsˈə [key], 1699–1783, German composer; pupil of Alessandro Scarlatti. Hasse was court composer at Dresden (1731–63). He wrote masses, oratorios and ca...

Hamann, Johann Georg

(Encyclopedia)Hamann, Johann Georg yōˈhän gāˈôrk häˈmən [key], 1730–88, German Protestant theologian, b. Königsberg (now Kaliningrad). Although opposed to the rationalism of Kant and the German Enlighte...