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petrology

(Encyclopedia)petrology, branch of geology specifically concerned with the origin, composition, structure, and properties of rocks, primarily igneous and metamorphic, and secondarily sedimentary. It includes petrog...

Ruffin, Edmund

(Encyclopedia)Ruffin, Edmund rŭfˈĭn [key], 1794–1865, American agriculturist, one of the Southern fire-eaters, b. Prince George co., Va. His interest in improving impoverished land led him to become a pioneer ...

Babcock, Stephen Moulton

(Encyclopedia)Babcock, Stephen Moulton mōlˈtən băbˈkŏk [key], 1843–1931, American agricultural chemist, b. Bridgewater, N.Y., grad. Tufts College (B.A., 1866), Univ. of Göttingen, Germany (Ph.D., 1879). He...

Reye's syndrome

(Encyclopedia)Reye's syndrome rīz [key], rare but life-threatening disease characterized by acute encephalopathy and fatty infiltration of internal organs, especially the liver. It occurs almost entirely in childr...

Negishi, Ei-ichi

(Encyclopedia)Negishi, Ei-ichi, 1935–2021, Japanese chemist, b. Changchum, China, Univ. of Tokyo (B.Eng., 1958), Univ. of Pennsylvania (Ph.D...

Winter, Sir Gregory Paul

(Encyclopedia)Winter, Sir Gregory Paul, 1951–, British biochemist, Ph.D. Cambridge, 1976. He has spent most of his career as a researcher at the Laboratory of Molecular Biology in Cambridge, England, where since ...

Boyer, Paul Delos

(Encyclopedia)Boyer, Paul Delos, 1918–2018, American biochemist, b. Provo, Utah, Ph.D. Univ. of Wisconsin–Madison, 1943. Boyer taught at the Univ. of Minnesota, first in Saint Paul (1946–56) and then in Minne...

Bragg, Sir William Henry

(Encyclopedia)Bragg, Sir William Henry, 1862–1942, English physicist, educated at King William's College, Isle of Man, and Trinity College, Cambridge. He served on the faculties of the Univ. of Adelaide in Austra...

Beadle, George Wells

(Encyclopedia)Beadle, George Wells, 1903–89, American geneticist, b. Wahoo, Nebr., grad. Univ. of Nebraska (B.S., 1926; M.S., 1927), Ph.D. Cornell, 1931. Beadle taught (1931–36) biology at the California Instit...

Stoddart, James Fraser

(Encyclopedia)Stoddart, James Fraser, 1942–, British chemist, Ph.D. Univ. of Edinburgh, 1966. He began his career at Sheffield Univ., England, in 1970, then moved to Birmingham Univ., England, in 1990, the Univ. ...