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Welsbach mantle

(Encyclopedia)Welsbach mantle or Welsbach burner [for C. A. von Welsbach], cylindrical framework of gauze impregnated with oxides of thorium and cerium. When heated in a gas flame, it produces a very bright light b...

Sturm und Drang

(Encyclopedia)Sturm und Drang shto͝orm o͝ont dräng [key] or Storm and Stress, movement in German literature that flourished from c.1770 to c.1784. It takes its name from a play by F. M. von Klinger, Wirrwarr; od...

Cadogan, William Cadogan, 1st Earl

(Encyclopedia)Cadogan, William Cadogan, 1st Earl kədŭˈgən [key], 1675–1726, British general and diplomat. He is remembered chiefly as the faithful friend and brilliant subordinate of the 1st duke of Marlborou...

Royal Opera

(Encyclopedia)Royal Opera, one of the principal British opera companies, based at the Royal Opera House (which it shares with the Royal Ballet) in Covent Garden, London. Formed in 1946 as the Covent Garden Opera Co...

Dumba, Konstantin Theodor

(Encyclopedia)Dumba, Konstantin Theodor kônstäntēnˈ tāˈōdôr do͝omˈbä [key], 1856–1947, Austro-Hungarian diplomat. As ambassador (1913–15) to the United States, he was involved with Franz von Papen an...

Heinse, Wilhelm

(Encyclopedia)Heinse, Wilhelm vĭlˈhĕlm hīnˈsə [key], 1746–1803, German novelist. His principal novels, Ardinghello; or, An Artist's Rambles in Sicily (1787, tr. 1839) and Hildegard von Hohenthal (1795–96)...

Pfeffer, Wilhelm

(Encyclopedia)Pfeffer, Wilhelm vĭlˈhĕlm pfĕˈfər [key], 1845–1920, German plant physiologist. He was professor of botany successively at the universities of Bonn, Basel, Tübingen, and Leipzig (from 1887). W...

Carstens, Asmus Jacob

(Encyclopedia)Carstens, Asmus Jacob äsˈmo͝os yäˈkôp kärˈstəns [key], 1754–98, German historical painter and engraver, b. Schleswig. He studied in Copenhagen and in Italy. He was influenced by the work of...

serial music

(Encyclopedia)serial music, the body of compositions whose fundamental syntactical reference is a particular ordering (called series or row) of the twelve pitch classes—C, C#, D, D#, E, F, F#, G, G#, A, A#, B—t...

games, theory of

(Encyclopedia)games, theory of, group of mathematical theories first developed by John Von Neumann and Oskar Morgenstern. A game consists of a set of rules governing a competitive situation in which from two to n i...