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Birkhoff, George David

(Encyclopedia)Birkhoff, George David, 1884–1944, American mathematician, b. Overisel, Mich.; father of Garrett Birkhoff. The son of a physician, he was educated at Harvard (B.A., 1905) and the Univ. of Chicago (P...

Venezuela Boundary Dispute

(Encyclopedia)Venezuela Boundary Dispute, diplomatic controversy, notable for the tension caused between Great Britain and the United States during much of the 19th cent. Of long standing, the dispute concerned the...

Appia, Adolphe

(Encyclopedia)Appia, Adolphe ädôlfˈ äpˈpyä [key], 1862–1928, Swiss theorist of modern stage lighting and décor. In interpreting Wagner's ideas in scenic designs for his operas, Appia rejected painted scene...

Central Valley

(Encyclopedia)Central Valley, great trough of central Calif., c.450 mi (720 km) long and c.50 mi (80 km) wide, between the Sierra Nevada and the Coast Ranges. The Sacramento and San Joaquin rivers drain much of the...

Millin, Sarah Gertrude (Liebson)

(Encyclopedia)Millin, Sarah Gertrude (Liebson), 1889–1968, South African writer. The first of her novels about colonial and racial problems in South Africa is Dark River (1920). Later novels include God's Stepchi...

Shaw, Anna Howard

(Encyclopedia)Shaw, Anna Howard, 1847–1919, American woman-suffrage leader, b. England. She emigrated (1851) to the United States in early childhood and grew up on a farm in Michigan. She received a degree in the...

syncopation

(Encyclopedia)syncopation sĭngˌkəpāˈshən, sĭnˌ– [key] [New Gr.,=cut off ], in music, the accentuation of a beat that normally would be weak according to the rhythmic division of the measure. Although th...

Pawnee

(Encyclopedia)Pawnee pônēˈ [key], Native North Americans whose language belongs to the Caddoan branch of the Hokan-Siouan linguistic stock (see Native American languages). At one time the Pawnee lived in what is...

Maryland

(Encyclopedia)CE5 Maryland mârˈələnd [key], one of the Middle Atlantic states of the United States. It is bounded by Delaware and the Atlantic Ocean (E), the District of Columbia (S), Virginia and West Virgi...

tenure, in law

(Encyclopedia)tenure, in law, manner in which property in land is held. The nature of tenure has long been of great importance, both in law and in the broader economic and political context. Tenure has varied great...