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Clinton, Hillary Rodham

(Encyclopedia)Clinton, Hillary Rodham rŏdˈəm [key], 1947–, U.S. senator and secretary of state, wife of President Bill Clinton, b. Chicago, grad. Wellesley College (B.A. 1969), Yale Law School (LL.B., 1973). A...

Pittsburgh

(Encyclopedia)Pittsburgh pĭtsˈbərg [key], city (1990 pop. 369,879), seat of Allegheny co., SW Pa., at the confluence of the Allegheny and the Monongahela rivers, which there form the Ohio River; inc. 1816. A maj...

Tchaikovsky, Peter Ilyich

(Encyclopedia)Tchaikovsky, Peter Ilyich ĭlyēchˈ chīkôfˈskē [key], 1840–93, Russian composer, b. Kamsko-Votkinsk. Variant transliterations of his name include Tschaikovsky and Chaikovsky. He is a towering f...

Benton, Thomas Hart, U.S. Senator

(Encyclopedia)Benton, Thomas Hart, 1782–1858, U.S. Senator (1821–51), b. Hillsboro, N.C. Benton moved to Tennessee in 1809, was admitted to the bar in 1811, and served (1809–11) in the state senate. In 1815, ...

Clay, Henry

(Encyclopedia)Clay, Henry, 1777–1852, American statesman, b. Hanover co., Va. In 1828, Clay again supported Adams for President, and Jackson's success bitterly disappointed him. Although he intended to retir...

Jackson, Andrew

(Encyclopedia)Jackson, Andrew, 1767–1845, 7th President of the United States (1829–37), b. Waxhaw settlement on the border of South Carolina and North Carolina (both states claim him). The greatest popula...

dark matter

(Encyclopedia)dark matter, material that is believed to make up nearly 27% of the mass of the universe but is not readily visible because it neither emits nor reflects electromagnetic radiation, such as light or ra...

continental drift

(Encyclopedia)CE5 Continental drift (arrows indicate the directions of motion of the landmasses) A. Proposed reconstruction of the supercontinent Pangaea indicating the major present landmasses B. Proposed recon...

Franklin, Sir John

(Encyclopedia)Franklin, Sir John, 1786–1847, British explorer in N Canada whose disappearance caused a widespread search of the Arctic. Entering the navy in 1801, he fought in the battle of Trafalgar. On his firs...

Irving, Washington

(Encyclopedia)Irving, Washington, 1783–1859, American author and diplomat, b. New York City. Irving was one of the first Americans to be recognized abroad as a man of letters, and he was a literary idol at home. ...