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Prout, William

(Encyclopedia)Prout, William, 1785–1850, English chemist and physician. Prout's hypothesis, advanced in 1815–16, suggested that atomic weights of elements are multiples of that of hydrogen and that elements are...

Ivo of Chartres, Saint

(Encyclopedia)Ivo of Chartres, Saint īˈvō, shärˈtrə [key], c.1040–c.1116, French churchman, bishop of Chartres (after 1090). He was fearlessly outspoken and was briefly imprisoned for opposing the irregular...

Mason-Dixon Line

(Encyclopedia)Mason-Dixon Line, boundary between Pennsylvania and Maryland (running between lat. 39°43′26.3″N and lat. 39°43′17.6″N), surveyed by the English team of Charles Mason, a mathematician and ast...

Hayne, Robert Young

(Encyclopedia)Hayne, Robert Young, 1791–1839, American statesman, b. Colleton District, S.C. Having served in the South Carolina legislature (1814–18) and as attorney general of South Carolina (1818–22), Hayn...

Oberlin College

(Encyclopedia)Oberlin College, at Oberlin, Ohio; coeducational; opened 1833 as Oberlin Collegiate Institute, became Oberlin College in 1850. It includes a college of arts and sciences and a well-known conservatory ...

Raffet, Denis Auguste Marie

(Encyclopedia)Raffet, Denis Auguste Marie dənēˈ ōgüstˈ märēˈ räfāˈ [key], 1804–60, French lithographer and illustrator; student of Charlet and of Gros. He attained an individual style in his series de...

delftware

(Encyclopedia)delftware. The earliest delftware was a faience, a heavy, brown earthenware with opaque white glaze and polychrome decoration, made in the late 16th cent. Some of the earliest imitations of Chinese an...

Burns, Otway

(Encyclopedia)Burns, Otway, c.1775–1850, American privateer, b. Onslow co., N.C. At the outbreak of the War of 1812, he outfitted the Baltimore clipper Snap-Dragon as a privateer and began one of the most spectac...

Corwin, Thomas

(Encyclopedia)Corwin, Thomas, 1794–1865, American politician, b. Bourbon co., Ky. A lawyer, he was an Ohio legislator in the 1820s, a U.S. Representative (1831–40), and governor of Ohio (1840–42). In the U.S....

Viscount Melville Sound

(Encyclopedia)Viscount Melville Sound, 250 mi (402 km) long and 100 mi (161 km) wide, arm of the Arctic Ocean, Northwest Territories and Nunavut, Canada, between Victoria and Prince of Wales islands on the south an...