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Euler, Leonhard

(Encyclopedia)Euler, Leonhard lāˈônhärt oiˈlər [key], 1707–83, Swiss mathematician. Born and educated at Basel, where he knew the Bernoullis, he went to St. Petersburg (1727) at the invitation of Catherine ...

Aco, Michel

(Encyclopedia)Aco or Accault, Michel both: mēshĕlˈ äkōˈ [key], fl. 1680–1702, French explorer. He became La Salle's lieutenant, being favored by that explorer because of his courage, prudence, and wide acqu...

luminism

(Encyclopedia)luminism lo͞oˈmĭnĭzˌəm [key], American art movement of the 19th cent. Luminism was an outgrowth of the Hudson River school. In its concern for capturing the effects of light and atmosphere it is...

Intracoastal Waterway

(Encyclopedia)Intracoastal Waterway, c.3,000 mi (4,827 km) long, partly natural, partly artificial, providing sheltered passage for commercial and leisure boats along the U.S. Atlantic coast from Boston, Mass. to K...

Baffin Island

(Encyclopedia)Baffin Island, 183,810 sq mi (476,068 sq km), c.1,000 mi (1,610 km) long and from 130 to 450 mi (210–720 km) wide, in the Arctic Ocean, Nunavut Territory, Canada. It is the fifth largest island in t...

Wilkinson, Jemima

(Encyclopedia)Wilkinson, Jemima, 1752–1819, American religious leader, b. Cumberland, R.I. As a girl she was powerfully impressed by the sermons of George Whitefield and also aspired to emulate the example of Ann...

Armstrong, Louis

(Encyclopedia)Armstrong, Louis (Daniel Louis Armstrong), known as “Satchmo” and “Pops,” 1901–1971, American jazz trumpet virtuoso, singer, and bandleader, b. New Orleans. He learned to play the cornet in ...

minstrel show

(Encyclopedia)minstrel show, stage entertainment by white performers made up as blacks. Thomas Dartmouth Rice, who gave (c.1828) the first solo performance in blackface and introduced the song-and-dance act Jim Cro...

Johns Hopkins University

(Encyclopedia)Johns Hopkins University, mainly at Baltimore. Johns Hopkins in 1867 had a group of his associates incorporated as the trustees of a university and a hospital, endowing each with $3.5 million. Daniel ...

Kibaki, Mwai

(Encyclopedia)Kibaki, Mwai (Emilio Mwai Kibaki), 1931–, Kenyan political leader. An economist educated at the London School of Economics, he was elected to Kenya's first parliament (1963) as a member of the Kenya...