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Haldane, John Scott

(Encyclopedia)Haldane, John Scott, 1860–1936, British scientist, b. Edinburgh; father of John Burdon Sanderson Haldane. He made many important contributions to mine safety, investigating principally the action of...

Halsey, William Frederick, Jr.

(Encyclopedia)Halsey, William Frederick, Jr. (Bull Halsey) hôlˈsē [key], 1882–1959, American admiral, b. Elizabeth, N.J., grad. Annapolis, 1904. In World War II he led (Jan., 1942) a spectacular carrier raid a...

silicosis

(Encyclopedia)silicosis sĭlĭkōˈsĭs [key], occupational disease of the lungs caused by inhalation of free silica (quartz) dust over a prolonged period of time. Free silica is dispersed in the air and inhaled by...

special effects

(Encyclopedia)special effects, in motion pictures, cinematographic techniques that create illusions in the audience's minds as well as the illusions created using these techniques. Some common examples are the use ...

Buridan, Jean

(Encyclopedia)Buridan, Jean byo͝orˈĭdən, Fr. zhäN bürēdäNˈ [key], d. c.1358, French scholastic philosopher. Rector of the Univ. of Paris, he was a follower of William of Occam and a nominalist. Buridan pro...

Business Roundtable

(Encyclopedia)Business Roundtable (BRT), an association consisting of the chief executive officers of major U.S. corporations that was founded in 1972 through the mer...

Peterloo massacre

(Encyclopedia)Peterloo massacre, public disturbance in St. Peter's Field, Manchester, England, Aug. 16, 1819, also called the Manchester massacre. A crowd of some 60,000 men, women, and children were peaceably gath...

Waddell, James Iredell

(Encyclopedia)Waddell, James Iredell wŏdĕlˈ [key], 1824–86, Confederate naval officer in the American Civil War, b. Pittsboro, N.C. He was appointed a midshipman in the U.S. navy in 1841. On return from duty i...

Cattell, Raymond Bernard

(Encyclopedia)Cattell, Raymond Bernard kətĕlˈ [key], 1905–98, American psychologist, b. Staffordshire, England. He came to the United States in 1937 and served as research professor at the Univ. of Illinois (1...

Bernard, Claude

(Encyclopedia)Bernard, Claude klōd bĕrnärˈ [key], 1813–78, French physiologist. He turned from literature to medicine, working in Paris under Magendie and teaching at the Collège de France and at the Sorbonn...