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Jensen, Johannes Vilhelm

(Encyclopedia)Jensen, Johannes Vilhelm yōhänˈəs vĭlˈhĕlm yĕnˈsən [key], 1873–1950, Danish writer. As a young man he studied medicine; his interest in biology and anthropology is obvious throughout his w...

Johannes von Saaz

(Encyclopedia)Johannes von Saaz (Johannes von Tepl) yōhänˈəs fən zäts, tĕpˈəl [key], c.1350–c.1414, Bohemian humanist and writer. Johannes is best known for his powerful work Der Ackermann aus Böhmen (c...

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...

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...

Vorster, Balthazar Johannes

(Encyclopedia)Vorster, Balthazar Johannes yōhänˈəs bältäzärˈ fôrˈstər [key], 1915–83, South African political leader. A lawyer, John Vorster became involved in the Afrikaner nationalist movement and he...

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...

Sacrobosco, Johannes de

(Encyclopedia)Sacrobosco, Johannes de yōhänˈəs də săkrōbŏsˈkō [key], or John of Hollywood, c.1200–1256, English mathematician and astronomer. He wrote several widely read and influential books: Algorism...

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