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Belichick, Bill

(Encyclopedia)Belichick, Bill (William Stephen Belichick), 1952–, American professional football coach, b. Nashville, Tenn. The son of a college coach, he played football at Wesleyan Univ. He held various coachin...

Townes, Charles Hard

(Encyclopedia)Townes, Charles Hard, 1915–2015, American physicist and educator, b. Greenville, S.C. He was educated at Furman Univ., Duke, and the California Institute of Technology (Ph.D., 1939), was on the tech...

roentgenium

(Encyclopedia)roentgenium, artificially produced radioactive chemical element; symbol Rg; at. no. 111; mass number of most stable isotope 280; m.p., b.p., sp. gr., and valence unknown. Situated in Group 11 of the p...

Prometheus, in astronomy

(Encyclopedia)Prometheus prōmēˈthēəs [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn XVI (or S16), Prometheus is an irregularly shaped (nonspherical) body me...

Challenger expedition

(Encyclopedia)Challenger expedition, British oceanographic expedition under the direction of the Scottish professor Charles Wyville Thompson and the British naturalist Sir John Murray. Taking place from 1872 to 187...

Jaggar,Thomas Augustus, Jr.

(Encyclopedia)Jaggar,Thomas Augustus, Jr., 1871–1953, American geologist and volcanologist, b. Philadelphia, Ph.D. Harvard, 1897. One of the team of U.S. scientists (1902) who surveyed the eruptions in the West I...

James, LeBron Raymone

(Encyclopedia)James, LeBron Raymone, 1984–, American basketball player, b. Akron, Ohio. The number-one draft pick of the Cleveland Cavaliers at age 18, “King James” has become one of the National Basketball A...

meitnerium

(Encyclopedia)meitnerium mītnĭrˈēəm [key], artificially produced radioactive chemical element; symbol Mt; at. no. 109; mass number of most stable isotope 276; m.p., b.p., sp. gr., and valence unknown. Situated...

Astaire, Fred

(Encyclopedia)Astaire, Fred əstârˈ [key], 1899–1987, American dancer, actor, and singer, b. Omaha, Nebr., as Frederick Austerlitz. After 1911 he and his sister Adele (1896–1981), b. Adele Marie Austerlitz, f...

Pentagon Papers

(Encyclopedia)Pentagon Papers, government study of U.S. involvement in Southeast Asia. Commissioned by Secretary of Defense Robert S. McNamara in June, 1967, the 47-volume, top secret study covered the period from ...