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Menninger, Karl Augustus

(Encyclopedia)Menninger, Karl Augustus mĕnˈĭngər [key], 1893–1990, and William Claire Menninger, 1899–1966, American psychiatrists, brothers, b. Topeka, Kans. The Menninger Clinic, conceived with the idea o...

Achard, Franz Karl

(Encyclopedia)Achard, Franz Karl fränts kärl äkhˈärt [key], 1753–1821, German chemist. He made pioneering use of the discovery by his countryman Andreas Marggraf of sugar in beet...

Dillenius, Johann Jakob

(Encyclopedia)Dillenius, Johann Jakob dĭlāˈnēəs [key], 1687–1747, English botanist, of German birth. He published catalogs of the plants of Eltham, Kent, and of Geissen, Germany, and a work on mosses that pl...

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....

Zeuss, Johann Caspar

(Encyclopedia)Zeuss, Johann Caspar yōˈhän käsˈpär tsois [key], 1806–56, German philologist. Zeuss's principal scholarly achievement was his establishment of the basis for the study of Celtic in his Grammati...

Froberger, Johann Jakob

(Encyclopedia)Froberger, Johann Jakob yōˈhān yāˈkôp frōˈbĕrgər [key], 1616–67, German organist and composer; pupil of Frescobaldi. His style influenced German keyboard music during the baroque era. He i...

Eckermann, Johann Peter

(Encyclopedia)Eckermann, Johann Peter yōhänˈ pāˈtər ĕkˈərmän [key], 1792–1854, German scholar and author. He assisted Goethe in various literary labors, was professor of English and German at the Univ. ...

Poggendorff, Johann Christian

(Encyclopedia)Poggendorff, Johann Christian yōˈhän krĭsˈtyän pôgˈəndôrfˌ [key], 1796–1877, German physicist and chemist. He founded (1824) and edited the important Annalen der Physik und Chemie and edi...

Scharnhorst, Gerhard Johann David von

(Encyclopedia)Scharnhorst, Gerhard Johann David von gĕrˈhärt yōˈhän däˈvēt fən shärnˈhôrst [key], 1755–1813, Prussian general. A Hanoverian army officer, military writer, and director of the war coll...

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