Columbia Encyclopedia

(Encyclopedia) optical disk, any of a variety of information storage disks that are played or read using a laser. Optical disks include compact discs (CDs and CD-ROMs), laser discs (see videodisc), and digital versa...

(Encyclopedia) Shaw, Robert Lawson, 1916–99, American conductor, b. Red Bluff, Calif. Moving to New York City after college, he founded and led the Fred Waring Glee Club (1938–45) and the Collegiate Chorale (194...

(Encyclopedia) Calderón, Alberto käldārōnˈ [key], 1920–98, Argentine mathematician, b. Mendoza, Argentina, grad. Univ. of Buenos Aires (B.S. 1947), Univ. of Chicago (Ph.D. 1950). He is known for his contribut...

(Encyclopedia) Aiken, Conrad āˈkĭn [key], 1889–1973, American author, b. Savannah, Ga., grad. Harvard, 1912. Aiken is best known for his poetry, which often is preoccupied with the sound and structure of music;...

(Encyclopedia) Cherenkov radiation or Cerenkov radiation [for P. A. Cherenkov], light emitted by a transparent medium when charged particles pass through it at a speed greater than the speed of light in the medium. ...

(Encyclopedia) Christian, Charlie (Charles Henry Christian), 1916–42, African-American jazz guitarist, b. Bonham, Tex. The son of a singer-guitarist father and pianist mother, he grew up in Oklahoma City, where he...

(Encyclopedia) Coleman, Ornette, 1930–2015, African-American saxophonist and composer, b. Fort Worth, Tex. Largely self-taught, he began playing the alto saxophone in rhythm-and-blues bands. He later developed an ...

(Encyclopedia) Hou Hsiao-hsien, 1947–, Taiwanese film director, b. Guangdong, China. His first feature film, Cute Girl (1980), and subsequent ones were generally saccharine romances until the semibiographical A Ti...

(Encyclopedia) Iona īōnˈə [key] [Irish Ioua=island] or Icolmkill [Irish,=island of Columba of the church], island (1985 est. pop. 267), 3.5 mi (5.6 km) long and 1.5 mi (2.4 km) wide, Argyll and Bute, NW Scotland...

(Encyclopedia) Fisk, James, 1834–72, American financial speculator, b. Pownal, Vt. In his youth he worked for a circus and as a wagon peddler of merchandise. During the Civil War he became wealthy purchasing cotto...