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Carriera, Rosalba

(Encyclopedia)Carriera, Rosalba rōzälˈbä kär-rēāˈrä [key], 1675–1757, Italian portrait and miniature painter, one of the greatest of her day. At 24 she had achieved a reputation throughout Italy and abro...

Birkhoff, George David

(Encyclopedia)Birkhoff, George David, 1884–1944, American mathematician, b. Overisel, Mich.; father of Garrett Birkhoff. The son of a physician, he was educated at Harvard (B.A., 1905) and the Univ. of Chicago (P...

Rothko, Mark

(Encyclopedia)Rothko, Mark rŏthˈkō [key], 1903–70, American painter, b. Dvinsk, Russia (now Daugavpils, Latvia), as Marcus Rotkovitch. His family immigrated to the United States in 1913. He was a student of Ma...

barium

(Encyclopedia)barium bârˈēəm [key] [Gr.,=heavy], metallic chemical element; symbol Ba; at. no. 56; at. wt. 137.327; m.p. 725℃; b.p. 1,640℃; sp. gr. 3.5 at 20℃; valence +2. Barium is a soft, silver-white, ...

Giorgione

(Encyclopedia)Giorgione jōrjôˈnā [key], c.1478–1510, Venetian painter, b. Castelfranco Veneto; fellow student of Titian under Giovanni Bellini in Venice. Giorgione was known also as Zorgo or Zorgi da Castelfr...

Franklin, John Hope

(Encyclopedia)Franklin, John Hope, 1915–2009, the dean of 20th-century African-American historians, b. Rentiesville, Okla., grad. Fisk Univ. (A.B., 1935), Harvard (M.A., 1936; Ph.D., 1941). Franklin served on the...

Vishniac, Roman

(Encyclopedia)Vishniac, Roman vĭshˈnēăk [key], 1897–1990, Russian-American biologist, photographer, linguist, art historian, and philosopher, b. Pavlosk, near St. Petersburg. Vishniac took degrees in medicine...

impressionism, in painting

(Encyclopedia)impressionism, in painting, late-19th-century French school that was generally characterized by the attempt to depict transitory visual impressions, often painted directly from nature, and by the use ...

Australian cattle dog

(Encyclopedia)Australian cattle dog, breed of medium-sized herding dog developed in Australia. It stands from 18 to 20 in. (45.7–50.8 cm) high at the shoulder and weighs about 33 lb (15 kg). Its double coat consi...

Nikolais, Alwin

(Encyclopedia)Nikolais, Alwin nĭkˌəlīˈ [key], 1910–93, American dancer and choreographer, b. Southington, Conn. Nikolais became director of his own dance company in New York City in 1949. He made ingenious u...