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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...

Humphrey, Hubert Horatio

(Encyclopedia)Humphrey, Hubert Horatio, 1911–78, U.S. Vice President (1965–69), b. Wallace, S.Dak. After practicing pharmacy for several years, Humphrey taught political science and became involved in state pol...

art history

(Encyclopedia)art history, the study of works of art and architecture. In the mid-19th cent., art history was raised to the status of an academic discipline by the Swiss Jacob Burckhardt, who related art to its cul...

Siebold

(Encyclopedia)Siebold tāˈōdōr ĕrnst [key], 1804–85, also a physician, was one of the foremost biologists of his time. He specialized in the comparative anatomy of invertebrates and wrote the first volume (18...

Menger, Carl

(Encyclopedia)Menger, Carl kärl mĕngˈər [key], 1840–1921, Austrian economist, a founder of the Austrian school of economics. He was professor of economics at the Univ. of Vienna from 1873 until 1903, when he ...

X-ray crystallography

(Encyclopedia)X-ray crystallography, the study of crystal structures through X-ray diffraction techniques. When an X-ray beam bombards a crystalline lattice in a given orientation, the beam is scattered in a defini...

Riemann, Bernhard

(Encyclopedia)Riemann, Bernhard (Georg Friedrich Bernhard Riemann) gāˈôrk frēˈdrĭkh bĕrnˈhärt rēˈmän [key], 1826–66, German mathematician. He studied at the universities of Göttingen and Berlin and w...

Hunkers

(Encyclopedia)Hunkers, conservative faction of the Democratic party in New York state in the 1840s, so named because they were supposed to “hanker” or “hunker” after office. In opposition to them stood the ...

Henderson, Richard, American colonizer in Kentucky

(Encyclopedia)Henderson, Richard, 1735–85, American colonizer in Kentucky, b. Hanover co., Va. An associate justice of the North Carolina superior court (1769–73), Henderson was long interested in Western lands...

Hayne, Robert Young

(Encyclopedia)Hayne, Robert Young, 1791–1839, American statesman, b. Colleton District, S.C. Having served in the South Carolina legislature (1814–18) and as attorney general of South Carolina (1818–22), Hayn...