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Aragón, house of

(Encyclopedia)Aragón, house of, family that ruled in Aragón, Catalonia, Majorca, Sicily, Naples, Sardinia, Athens, and other territories in the Middle Ages. It was descended from Ramiro I of Aragón (1035–63), ...

K'ang-hsi

(Encyclopedia)K'ang-hsi käng shē [key], 1654–1722, 2d emperor of the Ch'ing dynasty of China (1661–1722). He extended Manchu control and promoted learning in the arts and sciences. K'ang-hsi conquered the feu...

Hague Tribunal

(Encyclopedia)Hague Tribunal, popular name for the Permanent Court of Arbitration established in 1899 by a convention of the First Hague Peace Conference to facilitate arbitration and other forms of dispute resolut...

Sifton, Sir Clifford

(Encyclopedia)Sifton, Sir Clifford, 1861–1929, Canadian political leader, b. Ontario. A lawyer in Manitoba, he sat (1888–96) in the provincial legislature and then served (1896–1911) in the Canadian House of ...

Tennessee Valley Authority

(Encyclopedia)Tennessee Valley Authority (TVA), independent U.S. government corporate agency, created in 1933 by act of Congress; it is responsible for the integrated development of the Tennessee River basin. The h...

production

(Encyclopedia)production, in economics, all those activities that have to do with the creation of commodities, by imparting to raw materials utility, added value, or the ability to satisfy human wants. The farmer w...

Safra

(Encyclopedia)Safra, family of Brazilian bankers with Sephardic Jewish roots. They began as merchant bankers in Syria and Lebanon, financing caravans throughout the Middle East. The Safras are also noted philanthro...

Mayer, Julius Robert von

(Encyclopedia)Mayer, Julius Robert von, 1814–78, German physician and physicist, studied medicine at Tübingen, Munich, and Paris. From a consideration of the generation of animal heat, he was led to determine th...

baryon

(Encyclopedia)baryon bârˈēŏnˌ [key] [Gr.,=heavy], class of elementary particles that includes the proton, the neutron, and a large number of unstable, heavier particles, known as hyperons. From a technical poi...

William and Mary in Virginia, College of

(Encyclopedia)William and Mary in Virginia, College of, mainly at Williamsburg; state supported; coeducational; chartered 1693, opened 1694 by Episcopalians under James Blair. It became a university in 1779. The se...