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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. ...

sulfuric acid

(Encyclopedia)sulfuric acid, chemical compound, H2SO4, colorless, odorless, extremely corrosive, oily liquid. It is sometimes called oil of vitriol. Although sulfuric acid is now one of the most widely used c...

Schumpeter, Joseph Alois

(Encyclopedia)Schumpeter, Joseph Alois yōˈzĕf äˈlōēs sho͝omˈpāˌtər [key], 1883–1950, Austrian-American economist, LL.D. Univ. of Vienna, 1906. He began practicing law but turned to teaching two years ...

Bolzano, Bernard

(Encyclopedia)Bolzano, Bernard bōltsäˈnō [key], 1781–1848, Czech philosopher, mathematician, and theologian. Though as a Catholic priest he himself was primarily concerned with religious and ethical questions...

Poisson, Siméon Denis

(Encyclopedia)Poisson, Siméon Denis sēmāôNˈ dənēˈ pwäsôNˈ [key], 1781–1840, French mathematician and physicist. From 1802 he taught at the École polytechnique, Paris, and was also on the faculty of sc...

Ladd-Franklin, Christine

(Encyclopedia)Ladd-Franklin, Christine, 1847–1930, American scientist, b. Windsor, Conn., grad. Vassar 1869. She was the first woman student to enter Johns Hopkins (1878), her special studies being directed towar...

phrenology

(Encyclopedia)phrenology, study of the shape of the human skull in order to draw conclusions about particular character traits and mental faculties. The theory was developed about 1800 by the German physiologist Fr...

Myerson, Roger Bruce

(Encyclopedia)Myerson, Roger Bruce, 1951–, American economist, b. Boston, Mass., Ph.D. Harvard, 1976. He has taught at Northwestern Univ. (1976–2001) and the Univ. of Chicago (2001–). With Leonid Hurwicz and ...

Cattell, Raymond Bernard

(Encyclopedia)Cattell, Raymond Bernard kətĕlˈ [key], 1905–98, American psychologist, b. Staffordshire, England. He came to the United States in 1937 and served as research professor at the Univ. of Illinois (1...

Butlerov, Aleksandr Mikhailovich

(Encyclopedia)Butlerov, Aleksandr Mikhailovich əlyĭksänˈdər mēkhīlˈəvĭch bo͞otˈlyərôf [key], 1825–86, Russian chemist. As professor at the Univ. of Kazan he founded the first school of Russian chemi...