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celestite

(Encyclopedia)celestite sĕlˈəstĭn, –tīn [key], mineral appearing in blue-tinged or white orthorhombic crystals or in fibrous masses. The natural sulfate of strontium, SrSO4, it is important as a source of st...

Drexel University

(Encyclopedia)Drexel University, at Philadelphia; coeducational; founded 1891 by Anthony J. Drexel, opened 1892, chartered 1894 as Drexel Institute of Art, Science, and Industry. It was renamed Drexel Institute of ...

Cox, Kenyon

(Encyclopedia)Cox, Kenyon, 1856–1919, American painter, draftsman, and art critic, b. Warren, Ohio. He studied in Cincinnati, at the Pennsylvania Academy of the Fine Arts, and with Carolus-Duran and Gérôme in P...

Heeger, Alan Jay

(Encyclopedia)Heeger, Alan Jay, 1936–, American physicist and chemist, b. Sioux City, Iowa, Ph.D. Univ. of California, Berkeley, 1961. Heeger has held faculty positions at the Univ. of Pennsylvania (1962–82) an...

Hesselius, Gustavus

(Encyclopedia)Hesselius, Gustavus hĕsēˈlēəs [key], 1682–1755, American portrait painter, b. Sweden, settled c.1712 in Philadelphia. He was the earliest portrait painter and organ builder in the United States...

Mallowan, Max Edgar Lucien

(Encyclopedia)Mallowan, Sir Max Edgar Lucien, 1904–78, British archaeologist, educated at Oxford. He participated in the British Museum–Univ. of Pennsylvania excavations at Ur (1925–30) and Nineveh (1931–32...

Krauskopf, Joseph

(Encyclopedia)Krauskopf, Joseph krousˈkŏpf [key], 1858–1923, American rabbi and humanitarian, b. Prussia. He went to the United States in 1872, enrolling (1875) in the first class of the Hebrew Union College, C...

Penn Central Company

(Encyclopedia)Penn Central Company, former U.S. transportation company, formed in 1968 by the merger of the New York Central RR and the Pennsylvania RR. By the early 1970s the railroad was bankrupt; in 1976 the U.S...

Brandywine, battle of

(Encyclopedia)Brandywine, battle of, in the American Revolution, fought Sept. 11, 1777, along Brandywine Creek. The creek, formed by two small branches in SE Pennsylvania, flows southeast to join, near Wilmington, ...

Bitter, Karl Theodore Francis

(Encyclopedia)Bitter, Karl Theodore Francis, 1867–1915, American sculptor, b. Austria. Having done some decorative modeling in Austria, Bitter soon found work when he came to the United States in 1889. His work f...