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San Francisco Opera

(Encyclopedia)San Francisco Opera, opera company, founded 1923 by Italian-American conductor Gaetano Merola, who oversaw its early years as a touring company. In 1932 it established a permanent home at the War Memo...

ice skating

(Encyclopedia)ice skating, gliding along an ice surface on keellike runners known as ice skates. The earliest skates (c.9th cent.), made of bone, were found in Sweden. Wooden skates with iron facings appeared in ...

Berlioz, Louis-Hector

(Encyclopedia)Berlioz, Louis-Hector lwē ĕktôrˈ bĕrlyôzˈ [key], 1803–69, French romantic composer. He abandoned medical study to enter the Paris Conservatory as a composition student. In 1830 his Symphonie ...

Powers, Richard

(Encyclopedia)Powers, Richard, 1957–, American novelist, b. Evanston, Ill., grad. Univ of Illinois, Champaign-Urbana (B.A., 1978; M.A, 1980). He taught at his alma mater from 1996 to 2013, when he joined Stanford...

Smothers Brothers

(Encyclopedia) Smothers Brothers, American comedians, musicians, and TV hosts. Tom (b. February 2, 1937,as Thomas Smothers) and Dick (b. November 20, 1939, as ...

John D. and Catherine T. MacArthur Foundation

(Encyclopedia)John D. and Catherine T. MacArthur Foundation, philanthropic institution founded 1978 by John D. MacArthur (1897–1978), owner of a prominent insurance company and other businesses, and his wife Cath...

Clark, Dick

(Encyclopedia)Clark, Dick,, 1929-2012, American radio and TV broadcaster and producer, b. Bronxville, N.Y., as Richard Wagstaff Clark; Syracuse Univ. (B.A., 1951). Be...

computer virus

(Encyclopedia)computer virus, rogue computer program, typically a short program designed to disperse copies of itself to other computers and disrupt those computers' normal operations. A computer virus usually atta...

SETI

(Encyclopedia)SETI sĕtˈē [key] [Search for ExtraTerrestrial Intelligence], name given to a series of independent programs to detect radio signals from civilizations beyond the solar system. Modern SETI efforts c...

Medicare

(Encyclopedia)Medicare, national health insurance program in the United States for persons aged 65 and over and the disabled. It was established in 1965 with passage of the Social Security Amendments and is now run...