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De Filippo, Eduardo

(Encyclopedia)De Filippo, Eduardo ādwärˈdō dā fēlĭpˈpō [key], 1900–1984, Neapolitan playwright and actor. In his scores of plays he combined pathos and farce. Napoli milionaria (1946) depicts postwar Nap...

Fire, Andrew Zachary

(Encyclopedia)Fire, Andrew Zachary, 1959–, American geneticist, b. Palo Alto, Calif., Ph.D. Massachusetts Institute of Technology, 1983. After a long association with the Carnegie Institution of Washington (1986�...

Weber, Ernst Heinrich

(Encyclopedia)Weber, Ernst Heinrich vāˈbər [key], 1795–1878, German physiologist. He was a professor at the Univ. of Leipzig (1821–71) and is known for his work on touch and for the formulation of Weber's l...

Weber, Wilhelm Eduard

(Encyclopedia)Weber, Wilhelm Eduard vĭlˈhĕlm āˈdo͞oärt vāˈbər [key], 1804–91, German physicist. He was professor (1831–37, 1849–91) at the Univ. of Göttingen, where he worked with C. F. Gauss on te...

Buridan, Jean

(Encyclopedia)Buridan, Jean byo͝orˈĭdən, Fr. zhäN bürēdäNˈ [key], d. c.1358, French scholastic philosopher. Rector of the Univ. of Paris, he was a follower of William of Occam and a nominalist. Buridan pro...

Boccioni, Umberto

(Encyclopedia)Boccioni, Umberto o͞ombĕrˈtō bŏt-chôˈnē [key], 1882–1916, Italian futurist painter and sculptor. He played a primary role in the drafting of the manifesto of futurism in 1910 and was the maj...

Tchelitchew, Pavel

(Encyclopedia)Tchelitchew, Pavel päˈvĕl chālēˈchĕf [key], 1898–1957, Russian-American painter. His first commissions, ballet designs, were given him while he was living in Berlin (1921–23), whence he had...

spectroheliograph

(Encyclopedia)spectroheliograph, device for photographing the surface of the sun in a single wavelength of light, usually one corresponding to a chief element contained in the sun, e.g., hydrogen or calcium; the re...

opposition

(Encyclopedia)opposition, in astronomy, alignment of two celestial bodies on opposite sides of the sky as viewed from earth. Opposition of the moon or planets is often determined in reference to the sun. Only the s...

del Toro, Guillermo

(Encyclopedia)del Toro, Guillermo (Guillermo del Toro Gómez), 1964–, Mexican film director, screenwriter, and producer. He worked in special effects and makeup before becoming a writer and director. Del Toro has...