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slate

(Encyclopedia)slate, fine-grained rock formed when sedimentary rocks such as shale are metamorphosed by great pressure. Slate splits into perfectly cleaved, broad thin layers; this characteristically regular and pl...

state flowers

(Encyclopedia)state flowers. Each state of the United States has designated, usually by legislative action, one flower as its floral emblem; the rose has been designated by Congress as the national flower of the Un...

Delaware, state, United States

(Encyclopedia)CE5 Delaware dĕlˈəwâr, –wər [key], one of the Middle Atlantic states of the United States, the country's second smallest state (after Rhode Island). It is bordered by Maryland (W, S), and th...

Paine, Thomas

(Encyclopedia)Paine, Thomas, 1737–1809, Anglo-American political theorist and writer, b. Thetford, Norfolk, England. The son of a working-class Quaker, he became an excise officer and was dismissed from the servi...

Edelman, Gerald Maurice

(Encyclopedia)Edelman, Gerald Maurice, 1929–2014, American biochemist and neuroscientist, b. Queens, N.Y., M.D. Univ. of Pennsylvania, 1954; Ph.D. Rockefeller Institute, 1960. He was a professor at the Rockefelle...

Dallas, Alexander James

(Encyclopedia)Dallas, Alexander James dălˈəs [key], 1759–1817, U.S. secretary of the treasury (1814–16), b. Jamaica, West Indies. He went (1783) to Philadelphia, practiced law, and was secretary of state (17...

Geary, John White

(Encyclopedia)Geary, John White gērˈē [key], 1819–73, American politician and Union general in the Civil War, b. Mt. Pleasant, Pa. In San Francisco from 1849 to 1852, Geary was the first U.S. postmaster, the l...

Mphahlele, Es'kia

(Encyclopedia)Mphahlele, Es'kia (Ezekiel Es'kia Mphahlele) ĕskēˈə əmfəlāˈlā [key], 1919–2008, South African writer, grad. Univ. of South Africa (M.A., 1956). He began his career as a writer for Drum maga...

New York Central RR

(Encyclopedia)New York Central RR, U.S. transportation compay formed in 1853 by the consolidation of many small New York state railroads. In 1867, Cornelius Vanderbilt became president of the railroad and, through ...

azalea

(Encyclopedia)azalea əzālˈyə [key] [Gr.,=dry], any species of the genus Rhododendron, North American and Asian shrubs of the family Ericaceae (heath family) that are distinguished by the usually deciduous leave...