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Sommerfeld, Arnold Johannes Wilhelm

(Encyclopedia)Sommerfeld, Arnold Johannes Wilhelm ärˈnōlt yōhänˈəs vĭlˈhĕlm zômˈərfĕlt [key], 1868–1951, German physicist and teacher. He received a Ph.D. at Königsburg Univ. in 1891 and was a prof...

Waals, Johannes Diderik van der

(Encyclopedia)Waals, Johannes Diderik van der: see van der Waals, Johannes Diderik. ...

Broecker, Wallace Smith

(Encyclopedia)Broecker, Wallace Smith brōkˈər [key], 1931–2019, American geophysicist, b. Chicago, Ph.D. Columbia, 1958. He was a member of Columbia's faculty from 1959. In the 1970s he predicted rising temper...

Agricola, Johann

(Encyclopedia)Agricola, Johann or Johannes əgrĭkˈələ [key], c.1494–1566, German Protestant minister, whose family name was Schnitter (originally Schneider). He was born at Eisleben and is sometimes called M...

Kyoto Protocol

(Encyclopedia)Kyoto Protocol: see global warming. ...

greenhouse effect

(Encyclopedia)greenhouse effect: see global warming. ...

climate change

(Encyclopedia)climate change: see global warming. ...

Nordhaus, William Dabney

(Encyclopedia)Nordhaus, William Dabney, 1941–, American economist, b. Albuquerque, N.Mex., Ph.D. Massachusetts Institute of Technology, 1967. A professor at Yale since 1967, he has focused on the economic effects...

Obrecht, Jacob

(Encyclopedia)Obrecht, Jacob yäˈkōp ōˈbrĕkht [key], c.1450–1505, Flemish composer. Obrecht was ordained as a priest in 1480. He wrote an early four-part setting of the St. Matthew Passion. His sacred music ...

Tilly, Johannes Tserklaes, count of

(Encyclopedia)Tilly, Johannes Tserklaes, count of yōhänˈəs tsĕrkläsˈ tĭlˈē [key], 1559–1632, general in Bavarian and later imperial service during the Thirty Years War. A younger son of a noble family o...