Columbia Encyclopedia

Search results

326 results found

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...

Bryant, Kobe

(Encyclopedia)Bryant, Kobe brīˈənt [key], 1978–2020, American basketball player, b. Philadelphia. The ...

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 ...

baseball

(Encyclopedia)CE5 A regulation baseball field. Minimum distance to the outfield fence is 250 ft; professional baseball fields constructed since 1958 have been at least 325 ft deep along the foul lines and 400 ft...

copernicium

(Encyclopedia)copernicium, artificially produced radioactive chemical element; symbol Cn; at. no. 112; mass number of most stable isotope 285; m.p., b.p., sp. gr., and valence unknown. Situated in Group 12 of the p...

acid rain

(Encyclopedia)acid rain or acid deposition, form of precipitation (rain, snow, sleet, or hail) containing high levels of sulfuric or nitric acids (pH below 5.5–5.6). Produced when sulfur dioxide and various nitro...

Aaron, Hank

(Encyclopedia)Aaron, Hank (Henry Louis Aaron), 1934–2021, U.S. baseball player, b. Mobile, Ala. A durable outfielder and consistent hitter noted for his powerful wrists and explosive swing, Aaron joined the Negro...

Rotblat, Sir Joseph

(Encyclopedia)Rotblat, Sir Joseph, 1908–2005, British physicist and anti-nuclear weapons activist, b. Warsaw, Poland; grad. Free Univ. of Poland (M.A., 1932), Univ. of Warsaw (Ph.D., 1938), Univ. of Liverpool (Ph...