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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...

Gamow, George

(Encyclopedia)Gamow, George gămˈŏf [key], 1904–68, Russian-American theoretical physicist and author, b. Odessa. A nuclear physicist, Gamow is better known to the public for his excellent books popularizing ab...

van der Waals, Johannes Diderik

(Encyclopedia)van der Waals, Johannes Diderik yōhäˈnəs dēˈdərĭk vän dər väls [key], 1837–1923, Dutch physicist. It had been known for some time that the behavior of real gases differs from that of an i...

Clausius, Rudolf Julius Emanuel

(Encyclopedia)Clausius, Rudolf Julius Emanuel ro͞oˈdôlf yo͞oˈlyo͝os āmäˈno͞oĕl klouˈzēo͝os [key], 1822–88, German mathematical physicist. A pioneer in the science of thermodynamics, he introduced th...

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 ...

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...

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 ...

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...

Hall, Marshall

(Encyclopedia)Hall, Marshall, 1790–1857, English physician and physiologist, M.D. Univ. of Edinburgh, 1812. He practiced medicine in Nottingham and in London. He opposed bloodletting and devised a method of artif...