Columbia Encyclopedia

(Encyclopedia) Roon, Albrecht Theodor Emil, Graf von älˈbrĕkht tāˈōdôr āˈmēl gräf fən rōn [key], 1803–79, Prussian field marshal. A military reformer, he insistently pleaded for the reorganization of ...

(Encyclopedia) Eschenbach, Christoph, 1940–, German conductor and pianist, b. Breslau, Germany (now Wrocław, Poland), as Christoph Ringmann. Orphaned during World War II, he was adopted by Wallydore Eschenbach, h...

(Encyclopedia) Frederick II, 1194–1250, Holy Roman emperor (1220–50) and German king (1212–20), king of Sicily (1197–1250), and king of Jerusalem (1229–50), son of Holy Roman Emperor Henry VI and of Consta...

(Encyclopedia) vortex vôrˈtĕks [key], mass of fluid in whirling or rotary motion. To simplify the analysis, vortex motion usually describes motions in a frictionless fluid. In such cases the absence of friction w...

(Encyclopedia) Schacht, Hjalmar Horace Greeley yälˈmär shäkht [key], 1877–1970, German financier. He held executive positions in several major German banks before becoming (1923) commissioner of currency. Infl...

(Encyclopedia) Dada däˈdäĭzəm [key], international nihilistic movement among European artists and writers that lasted from 1916 to 1922. Born of the widespread disillusionment engendered by World War I, it orig...

(Encyclopedia) Nin, Anaïs ənīˈĭs nĭn, nēn [key], 1903–77, American writer, b. Paris. The daughter of the Spanish composer Joaquín Nin, she came to the United States as a child. She was a psychoanalytic pat...

(Encyclopedia) herbal, early botanical book containing descriptions and illustrations of herbs and plants with their properties, chiefly those qualities that made them useful as medicines or condiments. Most of the ...

(Encyclopedia) kinetic art, term referring to sculptured works that include motion as a significant dimension. The form was pioneered by Marcel Duchamp, Naum Gabo, and Alexander Calder. Kinetic art is either nonmech...

(Encyclopedia) Three Emperors' League, informal alliance among Austria-Hungary, Germany, and Russia, announced officially in 1872 on the occasion of the meeting of emperors Francis Joseph, William I, and Alexander I...