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Robertson, Pat

(Encyclopedia)Robertson, Pat (Marion Gordon Robertson), 1930–2023, American evangelist and politician, b. Lexington, Va. The son of U.S. Senator A. Willis Robertson...

Sverdrup, Harald Ulrik

(Encyclopedia)Sverdrup, Harald Ulrik häˈräl o͞olˈrĭk svĕrˈdro͝op [key], 1888–1957, Norwegian oceanographer and meteorologist. He was in charge of the scientific work on the Maud for Amundsen's arctic exp...

Tieck, Ludwig

(Encyclopedia)Tieck, Ludwig lo͝otˈvĭtkh tēk [key], 1773–1853, German writer. In his youth he led the transition from Sturm und Drang to romanticism, writing with W. H. Wackenroder Phantasien über die Kunst (...

equity

(Encyclopedia)equity, principles of justice originally developed by the English chancellor. In Anglo-American jurisprudence equitable principles and remedies are distinguished from the older system that the common ...

division of labor

(Encyclopedia)division of labor, in economics, the specialization of the functions and roles involved in production. Division of labor is closely tied with the standardization of production, the introduction and pe...

Henry the Navigator

(Encyclopedia)Henry the Navigator, 1394–1460, prince of Portugal, patron of exploration. Because he fought with extraordinary valor in the Portuguese conquest of Ceuta (1415), he was created duke of Viseu by his ...

number theory

(Encyclopedia)number theory, branch of mathematics concerned with the properties of the integers (the numbers 0, 1, −1, 2, −2, 3, −3, …). An important area in number theory is the analysis of prime number...

Wyeth, Andrew Newell

(Encyclopedia)Wyeth, Andrew Newell wīˈəth [key], 1917–2009, American painter, b. Chadds Ford, Pa. Wyeth's work has been enormously popular, critically acclaimed, and sometimes severely criticized since his fir...

Wallace, Alfred Russel

(Encyclopedia)Wallace, Alfred Russel, 1823–1913, English naturalist. From his study of comparative biology in Brazil and in the East Indies, he evolved a concept of evolution similar to that of Charles Darwin. Li...

Bradbury, Ray

(Encyclopedia)Bradbury, Ray (Raymond Douglas Bradbury) brădˈbĕrˌē, –bərē [key], 1920–2012, American writer, b. Waukegan, Ill. A popular and prolific writer of science fiction who did much to bring the ge...