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Ratcliffe, Sir Peter John

(Encyclopedia)Ratcliffe, Sir Peter John, 1954–, British cellular and molecular biologist, M.D., Cambridge, 1987. He has been a researcher at Oxford since 1987. Ratcliffe, along with William Kaelin and Gregg Semen...

Sexton, Anne

(Encyclopedia)Sexton, Anne (Harvey), 1928–74, American poet, b. Newton, Mass. Educated at Garland Junior College and at Radcliffe, she worked briefly as a fashion model in Boston. Her “confessional poetry” is...

shell money

(Encyclopedia)shell money, medium of exchange consisting of shells, the most widely distributed type of ancient currency. Shells are particularly useful as money because they may be strung in long strips of proport...

stalactite ornament

(Encyclopedia)stalactite ornament, type of ornament characteristic of Islamic architecture. Generally executed in wood or in plaster over a wood or brick base, it consists of little vertical polygonal or curved nic...

Steward, Julian Haynes

(Encyclopedia)Steward, Julian Haynes, 1902–72, American anthropologist, b. Washington, D.C., grad. Cornell, 1925, Ph.D. Univ. of California, 1929. He taught at the Univ. of Michigan (1928–30), Columbia (1946–...

Reynaud, Paul

(Encyclopedia)Reynaud, Paul pōl rānōˈ [key], 1878–1966, French statesman and lawyer. He held several cabinet posts, and after Nov., 1938, as minister of finance in the cabinet of Édouard Daladier, he pursued...

rheostat

(Encyclopedia)rheostat rēˈəstătˌ [key], device whose resistance to electric current depends on the position of some mechanical element or control in the device. Typically a rheostat consists of a resistance el...

Dickinson, Edwin Walter

(Encyclopedia)Dickinson, Edwin Walter, 1891–1978, American painter, b. Seneca Falls, N.Y. He studied in New York City with William Merritt Chase, and spent most of his life on Cape Cod. Working during the moderni...

Dollier de Casson, François

(Encyclopedia)Dollier de Casson, François fräNswäˈ dôlyāˈ də käsôNˈ [key], 1636–1701, priest and explorer in Canada, b. near Nantes, France. In 1657 he entered the seminary of Saint-Sulpice, Paris, and...

compass

(Encyclopedia)compass. 1 In mathematics, an instrument for making circles and measuring distances. Frequently called a pair of compasses, it consists of two metal legs with one end of each attached to a pivot to fo...