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Dumas, Jean Baptiste André

(Encyclopedia)Dumas, Jean Baptiste André dümäˈ [key], 1800–1884, French organic chemist. He was distinguished for his researches on atomic weights, esters, vapor densities, the oxidation products of alcohols...

Bragg, Sir William Lawrence

(Encyclopedia)Bragg, Sir William Lawrence, 1890–1971, English physicist, b. Adelaide, Australia, educated in Australia and at Trinity College, Cambridge; son of W. H. Bragg. He was professor of physics at Victori...

Adams, John, American composer

(Encyclopedia)Adams, John (John Coolidge Adams), 1947–, American composer, b. Worcester, Mass. A clarinetist, he studied composition at Harvard (B.A. 1969, M.A. 1971). Often regarded as the most outstanding, tech...

oil industry

(Encyclopedia)oil industry, the business of discovering oil (petroleum), extracting it from the ground, refining it into a variety of products, and distributing it to the public. The development of the oil industry...

radio astronomy

(Encyclopedia)radio astronomy, study of celestial bodies by means of the electromagnetic radio frequency waves they emit and absorb naturally. Radio waves also come from outside the Milky Way. These extragalact...

Kellogg, Vernon Lyman

(Encyclopedia)Kellogg, Vernon Lyman, 1867–1937, American zoologist, b. Emporia, Kans., B.A. Univ. of Kansas, 1889. He was professor (1894–1920) of entomology at Stanford Univ. He served (1915–16) as director ...

Mechichi, Hichem

(Encyclopedia)Mechichi, Hichem, 1974–, Tunisian political leader. A lawyer by training, he served on the National Commission to Investigate Embezzlement and Corruption and with the National Anti-Corruption Author...

Eastman, Joseph Bartlett

(Encyclopedia)Eastman, Joseph Bartlett, 1882–1944, U.S. government administrator, b. Katonah, N.Y. President Wilson appointed him in 1919 to the Interstate Commerce Commission. As federal coordinator of railroads...

Dawes, Henry Laurens

(Encyclopedia)Dawes, Henry Laurens, 1816–1903, U.S. Senator (1875–93), b. Cummington, Mass. He was U.S. district attorney for W Massachusetts (1853–57) and a Republican member of the House of Representatives ...

Schoelcher, Victor

(Encyclopedia)Schoelcher, Victor vēktôrˈ shölshĕrˈ [key], 1804–93, French humanitarian and statesman. Long involved in the abolition movement, he presided (1848) over a commission that secured the abolition...