Columbia Encyclopedia

Search results

129 results found

Tillich, Paul Johannes

(Encyclopedia)Tillich, Paul Johannes tĭlˈĭk [key], 1886–1965, American philosopher and theologian, b. Germany, educated at the universities of Berlin, Tübingen, Halle, and Breslau. In 1912 he was ordained a m...

Bednorz, Johannes Georg

(Encyclopedia)Bednorz, Johannes Georg yōhänˈəs gāôrkhˈ bĕdˈnôrts [key], 1950–, German physicist. After earning his doctorate from the Swiss Federal Institute of Technology, he began (1982) work at the I...

Becher, Johannes Robert

(Encyclopedia)Becher, Johannes Robert yōhänˈəs rōˈbĕrt bĕkhˈər [key], 1891–1958, German poet and essayist. After an early association with the Expressionist movement, Becher turned to Communism. His ant...

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...

Purkinje, Johannes Evangelista

(Encyclopedia)Purkinje, Johannes Evangelista yōhänˈəs āˌväng-gālĭsˈtä po͝orˈkĭnyā [key], 1787–1869, Czech physiologist. While professor (1823–50) at the Univ. of Breslau he pioneered in establish...

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...

planetary system

(Encyclopedia)planetary system, a star and all the celestial bodies bound to it by gravity, especially planets and their natural satellites. Until the last decade of the 20th cent., the only planetary system known ...

Browse by Subject