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Bohr, Niels Henrik David

(Encyclopedia)Bohr, Niels Henrik David bōr [key], 1885–1962, Danish physicist, one of the foremost scientists of modern physics. He studied at the Univ. of Copenhagen (Ph.D. 1911) and carried on research on the...

Koolhaas, Rem

(Encyclopedia)Koolhaas, Rem (Remmet Lucas Koolhaas), 1944–, Dutch architect, b. Rotterdam. He began his career as a journalist and screenwriter, moving to London in the late 1960s to study architecture. Koolhaas ...

graffito

(Encyclopedia)graffito gräf-fēˈtō [key]. 1 Method of ornamenting architectural plaster surfaces. The designs are produced by scratching a topcoat of plaster to reveal an undercoat of contrasting and deeper colo...

Henry I, king of France

(Encyclopedia)Henry I, c.1008–1060, king of France (1031–60), son and successor of King Robert II. To defend his throne against his mother, his brothers Robert and Eudes, and subsequently against the count of B...

Scott, Thomas Alexander

(Encyclopedia)Scott, Thomas Alexander, 1823–81, American railroad president, b. Fort Loudon, Pa. He was employed by the Pennsylvania RR as a station agent in 1850 and rose to become general superintendent (1858) ...

Bristow, Benjamin Helm

(Encyclopedia)Bristow, Benjamin Helm brĭsˈtō [key], 1832–96, American cabinet officer, b. Elkton, Ky. He was admitted to the Kentucky bar in 1853. Bristow, a Union officer in the Civil War, was a state senator...

Ponca

(Encyclopedia)Ponca, Native North Americans whose language belongs to the Siouan branch of the Hokan-Siouan linguistic stock (see Native American languages). According to tradition the group lived in the Ohio valle...

beta particle

(Encyclopedia)beta particle, one of the three types of radiation resulting from natural radioactivity. Beta radiation (or beta rays) was identified and named by E. Rutherford, who found that it consists of high-spe...

social contract

(Encyclopedia)social contract, agreement or covenant by which men are said to have abandoned the “state of nature” to form the society in which they now live. The theory of such a contract, first formulated by ...

New Zealand literature

(Encyclopedia)New Zealand literature. In the 20th cent. New Zealand developed a vital literary tradition, though only a few of its authors are well-known outside its islands: Katherine Mansfield, short-story writer...