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Turing machine

(Encyclopedia) Turing machine, a mathematical model of a device that computes via a series of discrete steps and is not limited in use by a fixed maximum amount of data storage. Introduced by the…

Eccles, Sir John Carew

(Encyclopedia) Eccles, Sir John CarewEccles, Sir John Carewkârˈē, ĕkˈəlz [key], 1903–97, Australian neurophysiologist. He was educated at the Univ. of Melbourne and at Magdalene College, Oxford. He…

Kantrowitz, Adrian

(Encyclopedia) Kantrowitz, AdrianKantrowitz, Adriankănˈtrəwĭtsˌ [key], 1918–2008, American surgeon, b. New York City, grad. New York Univ. (1940). The son of a physician, Kantrowitz received his M.D…

Moses, Grandma

(Encyclopedia) Moses, Grandma (Anna Mary Robertson Moses), 1860–1961, American painter, b. Washington co., N.Y., self-taught. She lived the arduous life of a farm wife, first in the Shenandoah Valley…

Maine de Biran

(Encyclopedia) Maine de BiranMaine de Biranmĕn də bēräNˈ [key], 1766–1824, French philosopher, member of the Council of Five Hundred (1797), and councilor of state (1816). His real name was Marie…

Holland House

(Encyclopedia) Holland House, residence of the Holland family in Kensington, London, made famous in the first 40 years of the 19th cent. by the hospitality of Henry Fox, 3d Baron Holland, and his…

People in Space: Firsts

by Mark Hughes In 1961, Yuri Gagarin became the first person to venture beyond Earth's atmosphere. Since his journey, about 450 people—astronauts, civilians, and "space tourists…

Bob Goodenow

Born: Oct. 29, 1952Hockey succeeded Alan Eagleson as executive director of NHL Players Assn. in 1990; led players out on 10-day strike (Apr. 1-10) in 1992, during 103-day owners’ lockout in 1994-95…

Hagler, Marvelous Marvin

(Encyclopedia) Hagler, Marvelous Marvin (Marvin Nathaniel Hagler), 1954-2021, African American champion middle-weight boxer, b. Newark, N.J. Raised…

Neagh, Lough

(Encyclopedia) Neagh, LoughNeagh, Loughlŏkh nā [key], lake, 153 sq mi (396 sq km), 18 mi (29 km) long and 11 mi (18 km) wide, central Northern Ireland. This shallow lake is the largest freshwater…