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Du Pont, Samuel Francis

(Encyclopedia)Du Pont, Samuel Francis, 1803–65, American naval officer, b. Bergen Point, N.J.; grandson of Pierre Samuel du Pont de Nemours. Appointed a midshipman in 1815, he saw his first active duty in the Med...

Bohr, Niels Henrik David

(Encyclopedia)Bohr, Niels Henrik David bōr [key], 1885–1962, Danish physicist, one of the foremost scientists of modern physics. He studied at the Univ. of Copenhagen (Ph.D. 1911) and carried on research on the...

Presidents of the United States (table)

(Encyclopedia)Presidents of the United States

Rogers, Roy

(Encyclopedia)Rogers, Roy, 1911–98, American Western film star, b. Cincinnati, Ohio, as Leonard Franklin Slye. The guitar-strumming Rogers succeeded Gene Autry as America's favorite singing cowboy in movies of th...

beta particle

(Encyclopedia)beta particle, one of the three types of radiation resulting from natural radioactivity. Beta radiation (or beta rays) was identified and named by E. Rutherford, who found that it consists of high-spe...

Fossey, Dian

(Encyclopedia)Fossey, Dian fôˈsē, fŏsˈē [key], 1932–85, American zoologist, b. San Francisco, who lived and worked with the mountain gorillas of central Africa, adding immeasurably to the understanding of t...

Rowlandson, Thomas

(Encyclopedia)Rowlandson, Thomas rōˈləndsən [key], 1756–1827, English caricaturist, b. London. He studied at the Royal Academy and in Paris, but his passion for gambling prevented him from producing much unti...

Vaughan, Sarah

(Encyclopedia)Vaughan, Sarah (Sarah Lois Vaughan), 1924–90, American jazz singer, b. Newark, N.J. Nicknamed “Sassie” and “the divine one,” she studied piano and organ, began singing in her church choir, a...

McCormick, Robert Sanderson

(Encyclopedia)McCormick, Robert Sanderson, 1849–1919, American diplomat, b. Rockbridge co., Va.; nephew of Cyrus Hall McCormick. President McKinley appointed (1901) him minister to Austria-Hungary. He became the ...

Murfreesboro

(Encyclopedia)Murfreesboro mûrˈfrēzbûrˌə [key], city (1990 pop. 44,922), seat of Rutherford co., central Tenn., on Stones River; inc. 1817. It is the processing center of a dairy, livestock, and farm area. Ma...