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artificial intelligence

(Encyclopedia) artificial intelligence (AI), the use of computers to model the behavioral aspects of human reasoning and learning. Research in AI is concentrated in some half-dozen areas. In problem…

Walker, James John

(Encyclopedia) Walker, James John, 1881–1946, American politician, b. New York City. Dapper and debonair, Jimmy Walker, having tried his hand at song writing, engaged in Democratic politics and in…

Billings, John Shaw

(Encyclopedia) Billings, John Shaw, 1838–1913, American surgeon and librarian, b. Indiana. In the Civil War he was medical inspector of the Army of the Potomac. After the war he was given charge of…

Dewey, John

(Encyclopedia) Dewey, John, 1859–1952, American philosopher and educator, b. Burlington, Vt., grad. Univ. of Vermont, 1879, Ph.D. Johns Hopkins, 1884. He taught at the universities of Minnesota (1888…

John Henninger REAGAN, Congress, TX (1818-1905)

Senate Years of Service: 1887-1891 Party: Democrat REAGAN John Henninger , a Representative and a Senator from Texas; born in Sevierville, Sevier County, Tenn., October 8, 1818; attended the…

Fitch, Val Logsdon

(Encyclopedia) Fitch, Val Logsdon, 1923–2015, American nuclear physicist, b. Merriman, Neb., Ph.D. Columbia, 1954. During World War II Fitch was drafted into the army and worked on the detonator for…

Hancock, John

(Encyclopedia) Hancock, John, 1737–93, political leader in the American Revolution, signer of the Declaration of Independence, b. Braintree, Mass. From an uncle he inherited Boston's leading…

Davis, John

(Encyclopedia) Davis or Davys, John, 1550?–1605, English navigator. He made his first voyage in search of the Northwest Passage in 1585, continuing the work of Martin Frobisher. On this voyage he…

Wheelwright, John

(Encyclopedia) Wheelwright, John, c.1592–1679, American Puritan clergyman, founder of Exeter, N.H., b. Lincolnshire, England. He studied at Cambridge and was vicar (1623–33) of Bilsby. Suspended by…