Columbia Encyclopedia

(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...

(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...

(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...

(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...

(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...

(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...

(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...

(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...

(Encyclopedia) Cassatt, Mary kəsătˈ [key], 1844–1926, American figure painter and etcher, b. Pittsburgh. Most of her life was spent in France, where she was greatly influenced by her great French contemporaries...

(Encyclopedia) Callahan, Harry Morey, 1912–99, American photographer, b. Detroit. Self-taught, he began taking pictures (1938) as a hobby and, inspired by the work of Ansel Adams, began to produce professional-qua...