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Roos, Johann Heinrich

(Encyclopedia)Roos, Johann Heinrich yōˈhän hīnˈrĭkh rōs [key], 1631–85, German painter and etcher. He specialized in depicting animals and landscapes and was court painter to Elector Palatine Charles Louis...

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....

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...

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...

Schultze, Max Johann Sigismund

(Encyclopedia)Schultze, Max Johann Sigismund mäks yōˈhän zēˈgĭsmo͝ond sho͝olˈtsə [key], 1825–74, German biologist, director of the Anatomical Institute at Bonn from 1859. He established that the cells ...

Neptune, in astronomy

(Encyclopedia)Neptune, in astronomy, 8th planet from the sun at a mean distance of about 2.8 billion mi (4.5 billion km) with an orbit lying between those of Uranus and the dwarf planet Pluto; its period of revolut...

Fust, Johann

(Encyclopedia)Fust yōˈhän foust [key], d. 1466?, printer at Mainz. Johann Gutenberg borrowed substantial sums of money from Fust, a goldsmith, lawyer, and money lender. When Gutenberg was unable to repay these s...

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...
 

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