Columbia Encyclopedia

(Encyclopedia) cochineal kŏchĭnēlˈ, kŏchˈĭnēl [key], natural dye obtained from an extract of the bodies of the females of the cochineal bug (Dactylopius confusus) found on certain species of cactus, especial...

(Encyclopedia) Cullen, Countee kounˈtēˈ [key], 1903–46, American poet, b. New York City, grad. New York Univ. 1925, M.A. Harvard, 1926. A major writer of the Harlem Renaissance—a flowering of black artistic a...

(Encyclopedia) silky terrier, breed of agile, spirited toy dog originated in Australia in the early 20th cent. It stands about 10 in. (25 cm) high at the shoulder and weighs from 8 to 10 lb (3.6.–4.5 kg). Its silk...

(Encyclopedia) soft-coated wheaten terrier, breed of medium-sized dog developed and perfected in Ireland. It stands from 17 to 19 in. (43.1–48.3 cm) high at the shoulder and weighs from 30 to 45 lb (13.6–20.4 kg...

(Encyclopedia) Soulages, Pierre, 1919–, French abstract painter. Largely self-taught, he has been influenced by the carved prehistoric standing stones, Romanesque sculptures, and other art found where he was raise...

(Encyclopedia) Wald, George, 1906–97, American biochemist, b. New York City, Ph.D. Columbia, 1932. He spent most of his career on the faculty at Harvard. In 1967 Wald, Haldan K. Hartline, and Ragnar Granit receive...

(Encyclopedia) Purkinje, Johannes Evangelista yōhänˈəs āˌväng-gālĭsˈtä po͝orˈkĭnyā [key], 1787–1869, Czech physiologist. While professor (1823–50) at the Univ. of Breslau he pioneered in establish...

(Encyclopedia) German silver, name for various alloys of copper, zinc, and nickel, sometimes also containing lead and tin. They were originally named for their silver-white color, but use of the term silver is now p...

(Encyclopedia) Greenberg, Clement, 1909–94, American art critic, b. New York City. Greenberg's criticism was primarily concerned with art produced after abstract expressionism. This art, now known as color-field p...

(Encyclopedia) Hall, John Lewis, 1934–, American physicist, b. Denver, Colo., Ph.D. Carnegie Institute of Technology, 1961. He has been a researcher at the National Bureau of Standards in Boulder, Colo., since 196...