Biography Category
1890–1956, American educator, b. Delhi, N.Y., grad. Cornell Univ., 1910, Ph.D. Columbia, 1914; son of James Earl Russell. He was dean (1917–23) of...
1730–94, Scottish explorer in Africa. He explored Roman ruins in N Africa (1755) from Tunis to Tripoli and visited Crete, Rhodes, and Asia Minor. In...
(g d) (KEY) , 1862–1932, American geographer and cartographer, b. Stewartville, Minn., grad. Univ. of Minnesota, 1889, Ph.D. Univ. of Pennsylvania, ...
semiconductor switch used chiefly in power-control applications. Also called a silicon-controlled rectifier (SCR; see rectifier), it is a variation of...
(äb´ p täch´y l r´n r, lûr´n r) (KEY) , 1903–82, American economist, b. Romania. After studying at the London School of Economics in the 19...
(äl´b rt sh f´l ) (KEY) , 1831–1903, German economist and sociologist. He taught economics at the universities of Tübingen and Vienna. His views...