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Kerr, Clark

(Encyclopedia)Kerr, Clark kûr, kär [key], 1911–2003, American educational reformer, b. Reading, Pa., grad. Swarthmore College (B.A., 1932) and the Univ. of California at Berkeley (Ph.D., 1939). He was a profess...

Köhler, Wolfgang

(Encyclopedia)Köhler, Wolfgang köˈlər [key], 1887–1967, American psychologist, b. Estonia, Ph.D. Univ. of Berlin, 1909. From 1913 to 1920 he was director of a research station on Tenerife, Canary Islands. Lat...

Kirk, Grayson Louis

(Encyclopedia)Kirk, Grayson Louis, 1903–97, American educator, b. Jeffersonville, Ohio, grad. Miami Univ., 1924, Ph.D. Univ. of Wisconsin, 1930. He taught at Wisconsin from 1929, then became a professor of govern...

Laidler, Harry Wellington

(Encyclopedia)Laidler, Harry Wellington lādˈlər [key], 1884–1970, American economist and Socialist leader, b. Brooklyn, N.Y., grad. Wesleyan Univ., 1907, Brooklyn Law School, 1910, Ph.D. Columbia, 1914. A foun...

Karrer, Paul

(Encyclopedia)Karrer, Paul, 1889–1971, Swiss organic chemist, Ph.D. Univ. of Zürich, 1911. From 1912 to 1918, Karrer was a chemist at the Georg Speyer Haus, Frankfurt-am-Main. He left in 1919 to become professor...

Karman, Theodor von

(Encyclopedia)Karman, Theodor von tāˈōdôrˌ fôn kärˈmän [key], 1881–1963, American aeronautical engineer, b. Hungary, grad. Royal Technical Univ., Budapest (1902), and Univ. of Göttingen, Germany (Ph.D.,...

Pissarides, Christopher Antoniou

(Encyclopedia)Pissarides, Christopher Antoniou, 1948–, British-Cypriot economist, b. Nicosia, Cyprus, Ph.D. London School of Economics, 1973. He has been a professor at the London School of Economics since 1976. ...

potential, electric

(Encyclopedia)potential, electric, work per unit of electric charge expended in moving a charged body from a reference point to any given point in an electric field (see electrostatics). The potential at the refere...

Prada, Miuccia

(Encyclopedia)Prada, Miuccia, 1949–, Italian fashion designer, b. Milan as Maria Bianchi. She studied political science (Ph.D. Univ. of Milan, 1973) and then studied and performed mime at Milan's Teatro Piccolo. ...

Prescott, Edward Christian

(Encyclopedia)Prescott, Edward Christian, 1940–, American economist, b. Glen Falls, N.Y., Ph.D. Carnegie Mellon Univ., 1967. Prescott has taught at Carnegie Mellon (1971–80), the Univ. of Minnesota (1980–98, ...