Columbia Encyclopedia

(Encyclopedia) computer terminal, a device that enables a computer to receive or deliver data. Computer terminals vary greatly depending on the format of the data they handle. For example, a simple early terminal co...

(Encyclopedia) collagen kŏlˈəjən [key], any of a group of proteins found in skin, ligaments, tendons, bone and cartilage, and other connective tissue. Cells called fibroblasts form the various fibers in connecti...

(Encyclopedia) Watson, James Dewey, 1928–, American biologist and educator, b. Chicago, Ill., grad. Univ. of Chicago, 1947, Ph.D. Univ. of Indiana, 1950. With F. H. C. Crick he began (1951) research on the molecul...

(Encyclopedia) hafnium hăfˈnēəm [key], metallic chemical element; symbol Hf; at. no. 72; at. wt. 178.49; m.p. about 2,227℃; b.p. 4,602℃; sp. gr. 13.31 at 20℃; valence +4. Hafnium is a lustrous, ductile, si...

(Encyclopedia) Lagerkvist, Pär Fabian pâr fäˈbēän läˈgərkvĭst [key], 1891–1974, Swedish poet, dramatist, and novelist. Lagerkvist is considered one of the most significant figures of modern Swedish liter...

(Encyclopedia) Owens, Jesse, 1913–80, U.S. track star, b. Alabama. He was also called John Cleveland Owens, although his original name was said to be simply J. C. Owens. After his family moved to Cleveland he exce...

(Encyclopedia) Drucker, Peter Ferdinand, 1909–2005, American economist, b. Vienna, Austria. After receiving a doctorate in international and public law from Frankfurt Univ. (1931), Drucker was a financial writer f...

(Encyclopedia)  Dukakis, Olympia, 1931-2021, American actress, b. Lowell, Ma., Boston Univ. (B.A., M.F.A.). Dukakis’s parents were Greek immigrants. After ...

(Encyclopedia) Ford, John, 1895–1973, American film director, b. Cape Elizabeth, Maine, as John Martin Feeney. Ford began directing in 1917 after an apprenticeship with his brother Francis. Over the next 50 years,...

(Encyclopedia) ethnology ĕthnŏlˈəjē [key], scientific study of the origin and functioning of human cultures. It is usually considered one of the major branches of cultural anthropology, the other two being anth...