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North American Nebula

(Encyclopedia)North American Nebula, bright diffuse nebula in the northern constellation Cygnus about 1000 light-years away; cataloged as NGC 7000. It has a configuration resembling parts of Canada and the United S...

Spanish-American War

(Encyclopedia)Spanish-American War, 1898, brief conflict between Spain and the United States arising out of Spanish policies in Cuba. It was, to a large degree, brought about by the efforts of U.S. expansionists. ...

Central American Federation

(Encyclopedia)Central American Federation or Central American Union, political confederation (1825–38) of the republics of Central America—Costa Rica, Guatemala, Honduras, Nicaragua, and Salvador. United under ...

Campbell, Robert, American fur trader and merchant

(Encyclopedia)Campbell, Robert, 1804–79, American fur trader and merchant, one of the mountain men, b. Ireland. He came to the United States c.1824. Having been advised to lead an outdoor life because of a lung a...

Giauque, William Francis

(Encyclopedia)Giauque, William Francis jēōkˈ [key], 1895–1982, American chemist, b. Niagara Falls, Ont., Canada, grad. Univ. of California (B.S., 1920; Ph.D., 1922). A member of the faculty of the Univ. of Cal...

Forbes, William Cameron

(Encyclopedia)Forbes, William Cameron, 1870–1959, American business executive and diplomat, b. Milton, Mass. He entered the mercantile house of his grandfather, John Murray Forbes, in Boston and was a partner in ...

Shippen, William, Jr.

(Encyclopedia)Shippen, William, Jr., 1736–1808, American surgeon, b. Philadelphia, M.D. Edinburgh, 1761. A pioneer lecturer on anatomy and midwifery, he was instrumental in the organization (1765) at the College ...

Beechey, Frederick William

(Encyclopedia)Beechey, Frederick William, 1796–1856, British admiral and Arctic explorer. He accompanied an expedition N of Spitsbergen in 1818 and wrote an account of it in his Voyage of Discovery towards the No...

Mead, William Rutherford

(Encyclopedia)Mead, William Rutherford, 1846–1928, American architect, b. Brattleboro, Vt. He entered the office of Russell Sturgis in New York City. In 1872 he began to practice architecture with C. F. McKim, an...

Knudsen, William Signius

(Encyclopedia)Knudsen, William Signius no͞odˈsən [key], 1879–1948, American industrialist and U.S. government official, b. Copenhagen, Denmark. He emigrated to the United States at age 20, worked in various fa...