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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...

Fischer, Ernst Otto

(Encyclopedia)Fischer, Ernst Otto, 1918–2007, German chemist, Ph.D. Technical Univ. of Munich (TUM), 1952. Fischer was a professor at TUM (1954–57) and the Univ. of Munich (1957–64). He returned to TUM in 196...

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 ...

Glauber, Johann Rudolf

(Encyclopedia)Glauber, Johann Rudolf yōˈhän ro͞oˈdôlf glouˈbər [key], 1604–70, German alchemist. A forerunner of scientific chemists, Glauber made many practical advances in analytical chemistry; he devis...

Herzog, Johann Jakob

(Encyclopedia)Herzog, Johann Jakob yōˈhän yäˈkôp hĕrˈtsōkh [key], 1805–82, German Protestant theologian. His most important contribution was the founding and editing of the standard reference work Realen...

Rodbertus, Karl Johann

(Encyclopedia)Rodbertus, Karl Johann kärl yōˈhän rôdbĕrˈto͝os [key], 1805–75, German economist and conservative socialist. He held several public offices but after 1849 devoted himself to writing on econo...