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Painted Desert

(Encyclopedia)Painted Desert, badlands on the northeastern bank of the Little Colorado River, NE Ariz., stretching c.200 mi (320 km) SE from the Grand Canyon; includes Petrified Forest National Park. Striking bands...

Delaunay, Robert

(Encyclopedia)Delaunay, Robert rōbĕrˈ dəlōnāˈ [key], 1885–1941, French painter; husband of Sonia Delaunay-Terk. By 1909, Delaunay had progressed from a neoimpressionist phase to cubism, applying cubist pri...

Albers, Josef

(Encyclopedia)Albers, Josef yōˈzĕf älˈbĕrs [key], 1888–1976, German-American painter, printmaker, designer, and teacher, b. Bottrop, Germany. After working at the Bauhaus (1920–33), Albers and his wife, t...

Wildsmith, Brian Lawrence

(Encyclopedia)Wildsmith, Brian Lawrence, 1930–2016, English children's book author and illustrator. He attended the Slade School of Fine Art, University College London (1949–52), and served in the army before b...

pitchblende

(Encyclopedia)pitchblende pĭchˈblĕndˌ [key], dark, lustrous, heavy mineral, a source of radium and uranium. Largely natural uranium oxides, triuranium octaoxide (U3O8) and uranium dioxide (UO2), it usually cont...

Crawford, Ralston

(Encyclopedia)Crawford, Ralston, 1906–78, American painter, b. St. Catherine's, Ont. Crawford's paintings are marked by precise detail, flat color, and the simplification of form. His works portray the American c...

Robinson, Theodore

(Encyclopedia)Robinson, Theodore, 1852–96, American painter, b. Irasburg, Vt. Beginning his career as a realist, Robinson was profoundly influenced by his meeting with Monet in 1888. Translating the impressionist...

Eggleston, William

(Encyclopedia)Eggleston, William (William Joseph Eggleston, Jr.), 1939–, American photographer credited with establishing color photography as an art form, b. Memphis Tenn. His early work in black and white was i...

Goes, Hugo van der

(Encyclopedia)Goes, Hugo van der ho͞oˈgō vän dĕr go͞os [key], d.1482, Flemish painter. Probably born in Ghent, he was a member of the painters' guild there in 1467 and became dean of the guild in 1474, a year...

opal

(Encyclopedia)opal ōˈpəl [key], a mineral consisting of poorly crystalline to amorphous silica, SiO2·nH2O; the water content is quite variable but usually ranges from 3% to 10%. Common opal is usually colorless...