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Müller, Johannes Peter

(Encyclopedia)Müller, Johannes Peter mŭlˈər [key], 1801–58, German physiologist and anatomist. From 1833 until the end of his career he was professor at Berlin. He was famed as a teacher; for his extensive r...

Müller, Johannes von

(Encyclopedia)Müller, Johannes von yōhäˈnəs fən mülˈər [key], 1752–1809, Swiss historian. He spent much of his life in Germany, where he held political posts under the elector of Mainz, the king of Pruss...

Hagen, Johannes Georg

(Encyclopedia)Hagen, Johannes Georg yōhäˈnəs gāˈôrk häˈgən [key], 1847–1930, American astronomer and mathematician, b. Austria. A Jesuit, he came in 1880 to the United States to teach. In 1888 he was ma...

Geiger, Johannes Wilhelm

(Encyclopedia)Geiger, Johannes Wilhelm (Hans Geiger) gīˈgər [key], 1882–1945, German physicist. Geiger received a doctorate in physics at Erlangen in 1906, then went to Manchester, where he assisted British c...

Jørgensen, Jens Johannes

(Encyclopedia)Jørgensen, Jens Johannes yĕns yōhäˈnəs yörˈgənsən [key], 1866–1956, Danish poet and religious writer. He reacted against the naturalism of Georg Brandes and, in such works as Poems (1898),...

Damrosch, Walter Johannes

(Encyclopedia)Damrosch, Walter Johannes, 1862–1950, German-American conductor and composer; son of Leopold Damrosch. At his father's death in 1885, he finished the season as conductor of the Metropolitan Opera, N...

Potgieter, Everhardus Johannes

(Encyclopedia)Potgieter, Everhardus Johannes āvərhärˈdəs yōhänˈəs pôtˈgētər [key], 1808–75, Dutch critic, essayist, and poet. He was the first editor (1837–65) of and a major contributor to De Gids...

Rydberg, Johannes Robert

(Encyclopedia)Rydberg, Johannes Robert yo͞oˈhänəs rôˈbərt rüdˈbĕryə [key], 1854–1919, Swedish physicist. Rydberg was a professor at Lund from 1901 to 1919. He is best known for his grouping of the freq...

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