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Mapplethorpe, Robert

(Encyclopedia)Mapplethorpe, Robert māˈpəlthôrpˌ [key], 1946–89, American photographer, b. New York City. He is known for his elegantly expressive black-and-white studies of male and female nudes, flowers, an...

rustication

(Encyclopedia)rustication rŭstĭkāˈshən [key], in building construction, method of creating textures upon masonry wall surfaces, chiefly upon those of stone, by projecting the blocks beyond the surface of the m...

Townsend, Francis Everett

(Encyclopedia)Townsend, Francis Everett tounˈzənd [key], 1867–1960, American reformer, leader of an old-age pension movement, b. Fairbury, Ill., grad. Univ. of Nebraska medical school, 1903. He practiced medici...

Sharpless, Karl Barry

(Encyclopedia)Sharpless, Karl Barry, 1941–, American chemist, b. Philadelphia, Ph.D. Stanford, 1968. Sharpless was a professor at the Massachusetts Institute of Technology (1970–77 and 1980–90) and at Stanfor...

Cherenkov radiation

(Encyclopedia)Cherenkov radiation or Cerenkov radiation [for P. A. Cherenkov], light emitted by a transparent medium when charged particles pass through it at a speed greater than the speed of light in the medium. ...

geochemistry

(Encyclopedia)geochemistry, study of the chemical changes on the earth. More specifically, it is the study of the absolute and relative abundances of chemical elements in the minerals, soils, ores, rocks, water, an...

Glazer, Nathan

(Encyclopedia)Glazer, Nathan, 1923–2019, American sociologist, b. New York City, grad. City College, 1944. He became an editor at The Contemporary Jewish Record, later Commentary, and contributed to The Lonely Cr...

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...

DES

(Encyclopedia)DES or diethylstilbestrol dīˌĕthˌəlstĭlbĕsˈtrôl [key], synthetic nonsteroid female sex hormone having the same physiological effects as estrogen. In the 1940s and 50s DES was mistakenly belie...

Varèse, Edgard

(Encyclopedia)Varèse, Edgard värĕzˈ [key], 1883–1965, French-American composer. In Paris he first studied mathematics and science but became more interested in music. He then studied composition with Roussel ...