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Laughlin, Robert Betts

(Encyclopedia)Laughlin, Robert Betts, 1950–, American physicist, b. Visalia, Calif., Ph.D. Massachusetts Institute of Technology, 1979. Laughlin was a researcher at Lawrence Livermore National Laboratory from 198...

Cumberland Gap

(Encyclopedia)Cumberland Gap, natural passage through the Cumberland Mts., near the point where Virginia, Kentucky, and Tennessee meet. The gap was formed by the erosive action of a stream that once flowed there. I...

Gist, Christopher

(Encyclopedia)Gist, Christopher gĭst [key], c.1706–1759, American frontiersman, b. Maryland. Commissioned by the Ohio Company to explore their western lands. In 1750 he descended the Ohio River, explored E Kentu...

Gordon setter

(Encyclopedia)Gordon setter, breed of large sporting dog developed over centuries in Scotland and brought to prominence there by the fourth duke of Gordon in the early 1800s. It stands from 23 to 27 in. (58.4–68....

World's Columbian Exposition

(Encyclopedia)World's Columbian Exposition, held at Chicago, May–Nov., 1893, in commemoration of the 400th anniversary of the discovery of America by Christopher Columbus. Authorized (1890) by Congress, it was pl...

Washington, Martha

(Encyclopedia)Washington, Martha, 1731–1802, wife of George Washington, b. New Kent co., Va. The daughter of John Dandridge and Frances Jones Dandridge, she first married (1749) Daniel Parke Custis. She bore him ...

Nujoma, Sam

(Encyclopedia)Nujoma, Sam (Samuel Daniel Shafiishuna Nujoma) no͞oyōˈmä [key], 1929–, Namibian political leader. A railway worker in what was then the South African mandate of South West Africa, Nujoma became ...

Abzug, Bella Savitsky

(Encyclopedia)Abzug, Bella Savitsky səvĭtˈskē ăbˈzo͝og [key], 1920–98, U.S. politician, b. New York City. A lawyer and a Democrat, she helped found Women Strike for Peace (1961) and the reformist New Democ...

McIntosh, Lachlan

(Encyclopedia)McIntosh, Lachlan măkˈəntŏshˌ [key], 1725–1806, American Revolutionary general, b. Scotland. He was brought as a child to a Scottish settlement, which is now Darien, Ga. In 1776 he joined the ...

Rostenkowski, Dan

(Encyclopedia)Rostenkowski, Dan (Daniel David Rostenkowski) rŏsˌtənkouˈskē [key], 1928–2010, U.S. congressman, b. Chicago, grad. Loyola Univ. (1951). A Democrat, he was first elected as a U.S. representative...