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Copernican system

(Encyclopedia)Copernican system, first modern European theory of planetary motion that was heliocentric, i.e., that placed the sun motionless at the center of the solar system with all the planets, including the ea...

Frankfurt School

(Encyclopedia)Frankfurt School, a group of researchers associated with the Institut für Sozialforschung (Institute of Social Research), founded in 1923 as an autonomous division of the Univ. of Frankfurt. The inst...

Hampshire, Sir Stuart Newton

(Encyclopedia)Hampshire, Sir Stuart Newton, 1914–2004, British philosopher, grad. Oxford. He taught at Oxford, University College (London), London Univ., and Princeton before joining (1984, emeritus after 1990) t...

supply-side economics

(Encyclopedia)supply-side economics, economic theory that concentrates on influencing the supply of labor and goods as a path to economic health, rather than approaching the issue through such macroeconomic concern...

Shannon, Claude Elwood

(Encyclopedia)Shannon, Claude Elwood, 1916–2001, American applied mathematician, b. Gaylord, Michigan. A student of Vannevar Bush at the Massachusetts Institute of Technology (MIT), he was the first to propose th...

heredity

(Encyclopedia)heredity, transmission from generation to generation through the process of reproduction in plants and animals of factors which cause the offspring to resemble their parents. That like begets like has...

zero

(Encyclopedia)zero, that number which, when added to any number, leaves the latter unchanged; its symbol is 0. The introduction of zero into the decimal system was the most significant achievement in the developmen...

Edwards, Jonathan, 1745–1801, American theologian

(Encyclopedia)Edwards, Jonathan, the younger, 1745–1801, American theologian, b. Northampton, Mass., grad. College of New Jersey (now Princeton), 1765; son of Jonathan Edwards (1703–58). His career in some ways...

despotism

(Encyclopedia)despotism, government by an absolute ruler unchecked by effective constitutional limits to his power. In Greek usage, a despot was ruler of a household and master of its slaves. The title was applied ...

Condillac, Étienne Bonnot de

(Encyclopedia)Condillac, Étienne Bonnot de ātyĕnˈ bônōˈ də kôNdēyäkˈ [key], 1715–80, French philosopher who developed the theory of sensationalism (i.e., that all knowledge comes from the senses and t...