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Dirac, Paul Adrien Maurice

(Encyclopedia)Dirac, Paul Adrien Maurice dĭrăkˈ [key], 1902–84, English physicist. He was educated at the Univ. of Bristol and St. John's College, Cambridge, and became professor of mathematics at Cambridge in...

Conestoga wagon

(Encyclopedia)Conestoga wagon kŏnˌəstōˈgə [key], heavy freight-carrying vehicle of distinctive type that originated in the Conestoga region of Pennsylvania c.1725. It was used by farmers to carry heavy loads ...

Clarke, Arthur C.

(Encyclopedia)Clarke, Arthur C. (Sir Arthur Charles Clarke), 1917–2008, British science fiction writer. During World War II he served as a radar instructor and aviator in the Royal Air Force. After the war he obt...

Charles I, emperor of Austria

(Encyclopedia)Charles I, 1887–1922, last emperor of Austria and, as Charles IV, king of Hungary (1916–18); son of Archduke Otto and grandnephew and successor of Emperor Francis Joseph. He married Zita of Bourbo...

Chautauqua movement

(Encyclopedia)Chautauqua movement, development in adult education somewhat similar to the lyceum movement. It derived from an institution at Chautauqua, N.Y. There, in 1873, John Heyl Vincent and Lewis Miller propo...

extroversion and introversion

(Encyclopedia)extroversion and introversion, terms introduced into psychology by Carl Jung to identify opposite psychological types. Jung saw the activity of the extrovert directed toward the external world and tha...

Harriman, Edward Henry

(Encyclopedia)Harriman, Edward Henry, 1848–1909, American railroad executive, b. Hempstead, N.Y.; father of William Averell Harriman. He became a stockbroker in New York City and soon entered the railroad field, ...

Miami Beach

(Encyclopedia)Miami Beach, city (1990 pop. 92,639), Dade co., SE Fla., on an island between Biscayne Bay and the Atlantic Ocean; inc. 1915. It is connected to Miami by four causeways. Miami Beach is a popular year-...

Nightingale, Florence

(Encyclopedia)Nightingale, Florence, 1820–1910, English nurse, the founder of modern nursing, b. Florence, Italy. Her life was dedicated to the care of the sick and war wounded and to the promotion of her vision ...

Lewis, Sinclair

(Encyclopedia)Lewis, Sinclair, 1885–1951, American novelist, b. Sauk Centre, Minn., grad. Yale Univ., 1908. Probably the greatest satirist of his era, Lewis wrote novels that present a devastating picture of midd...