Columbia Encyclopedia

(Encyclopedia) Jameson, John Franklin, 1859–1937, American historian, b. Somerville, Mass. After teaching at Johns Hopkins, Brown, and the Univ. of Chicago he was director (1905–28) of the department of historic...

(Encyclopedia) Simmons, Ruth, 1945–, American educator and college president, b. Grapeland, Tex., grad. Dillard Univ. (B.A., 1967) and Harvard (A.M., 1970; Ph.D., 1973). As a scholar she was primarily concerned wi...

(Encyclopedia) Swann v. Charlotte-Mecklenburg County Board of Education, case decided in 1971 by the U.S. Supreme Court. The Court held that the constitutional mandate (see Brown v. Board of Education of Topeka, Kan...

(Encyclopedia) pyroxene pīˈrŏksēn [key], name given to members of a group of widely distributed rock minerals called metasilicates in which magnesium, iron, and calcium, often with aluminum, sodium, lithium, man...

(Encyclopedia) quartzite, usually metamorphic rock composed of firmly cemented quartz grains. Most often it is white, light gray, yellowish, or light brown, but is sometimes colored blue, green, purple, or black by ...

(Encyclopedia) Shannon, Wilson, 1802–77. American political leader, Mount Olivet, Ohio. A lawyer, he entered politics and was governor of Ohio (1838–40, 1842–44), minister to Mexico (1844–45), and a member o...

(Encyclopedia) Fuller, George, 1822–84, American portrait, figure, and landscape painter, b. Deerfield, Mass.; pupil of Henry K. Brown at Albany. He first practiced portraiture in Boston and later in New York City...

(Encyclopedia) Davis, Gray (Joseph Graham Davis, Jr.), 1942–, U.S. politician, b. the Bronx, N.Y. A graduate of Stanford Univ. (1964) and Columbia Univ. Law School (1967), he entered the army and served in Vietnam...

(Encyclopedia) miniature pinscher, breed of lively toy dog originating in Germany in the late 19th cent. It stands from 10 to 12 in. (25.4–30.5 cm) high at the shoulder and weighs from 8 to 10 lb (3.6–4.5 kg). I...

(Encyclopedia) obsidian ŏbsĭdˈēən [key], a volcanic glass, homogeneous in texture and having a low water content, with a vitreous luster and a conchoidal fracture. The color is commonly black, but may be some s...