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vortex

(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...

Schacht, Hjalmar Horace Greeley

(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...

Fichte, Johann Gottlieb

(Encyclopedia)Fichte, Johann Gottlieb yōˈhän gôtˈlēp fĭkhˈtə [key], 1762–1814, German philosopher. After studying theology at Jena and working as a tutor in Zürich and Leipzig, he became interested in K...

Himmler, Heinrich

(Encyclopedia)Himmler, Heinrich hīnˈrĭkh hĭmˈlər [key], 1900–1945, German Nazi leader. An early member of the National Socialist German Workers' (Nazi) party, Himmler took part in Adolf Hitler's “beer-hal...

von Braun, Wernher

(Encyclopedia)von Braun, Wernher vôn broun [key], 1912–77, German-American rocket scientist and astronautics engineer, b. Germany, grad. Berlin Technological Institute (B.S., 1932), Univ. of Berlin (Ph.D., 1934)...

memory, in psychology

(Encyclopedia)memory, in psychology, the storing of learned information, and the ability to recall that which has been stored. It has been hypothesized that three processes occur in remembering: perception and regi...

Pietism

(Encyclopedia)Pietism pīˈətĭzəm [key], a movement in the Lutheran Church (see Lutheranism), most influential between the latter part of the 17th cent. and the middle of the 18th. It was an effort to stir the c...

Salzburg Festival

(Encyclopedia)Salzburg Festival, annual festival of music and drama held in Salzburg, Austria, for five weeks starting in late July. The festival may be considered a descendant of the Salzburg Music Festival Weeks ...

psychological test

(Encyclopedia)psychological test, any of a variety of testing procedures for measuring psychological traits and behavior, or for studying some specialized aspect of ability. Several forms of testing have arisen fro...

American Ballet Theatre

(Encyclopedia)American Ballet Theatre (ABT), one of the foremost international dance companies of the 20th and 21st cents. It was founded in 1937 as the Mordkin Ballet and reorganized as the Ballet Theatre in 1940 ...