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Maradona, Diego Armando

(Encyclopedia)Maradona, Diego Armando, 1960–2020, Argentinian soccer star. A strong forward with spectacular abilities, superb dribbling skills, and great personal flair, he began his career as a teenager playing...

biometrics, in security and personal identification

(Encyclopedia)biometrics, in security and personal identification, the electronic verification of individuals using biological traits, such as iris or retinal scanning, fingerprints, or face recognition, and the te...

astronaut

(Encyclopedia)astronaut, crew member on a U.S. manned spaceflight mission; the Soviet term is cosmonaut. Candidates for manned spaceflight are carefully screened to meet the highest physical and mental standards, a...

Geithner, Timothy Franz

(Encyclopedia)Geithner, Timothy Franz gītˈnər [key], 1961–, U.S. government official, b. New York City, grad. Dartmouth (B.A. 1983), Johns Hopkins (M.A. 1985). In 1988 he began working at the Treasury Dept., w...

Amchitka

(Encyclopedia)Amchitka ămchĭtˈkə [key], island, 40 mi (64 km) long, in the Rat group of the Aleutian Islands, W Alaska. It was a site in 1965 and 1971 for the underground detonation of nuclear devices, its smal...

White, Edward Higgins, 2d

(Encyclopedia)White, Edward Higgins, 2d, 1930–67, American astronaut, b. San Antonio. While serving as pilot of Gemini 4 (June 3–7, 1965), he became the first American to perform extravehicular activity. He had...

Perry, Oliver Hazard

(Encyclopedia)Perry, Oliver Hazard, 1785–1819, American naval officer, b. South Kingstown, R.I.; brother of Matthew Calbraith Perry. Appointed a midshipman in 1799, he served in the Tripolitan War, was promoted t...

Korolev, Sergei Pavlovich

(Encyclopedia)Korolev, Sergei Pavlovich, 1907–66, Soviet rocket designer. His role as chief designer of the Soviet space program was revealed only after his death. After he successfully launched two intercontinen...

Hampshire

(Encyclopedia)Hampshire, county, 1,503 sq mi (3,893 sq km), S central England. Winchester is the county town. The county is divided into the administrative districts ...

Griselda

(Encyclopedia)Griselda grĭzĕlˈdə [key], long-suffering heroine of medieval story, whose husband subjects her to numerous trials in order to test her devotion. The story originated in a widespread W European fol...