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Tucker, Abraham

(Encyclopedia)Tucker, Abraham, 1705–74, English philosopher, b. London. He studied law at Merton College, Oxford, and later devoted himself to independent study. He advanced the ethical view that each man seeks h...

Baldwin, Abraham

(Encyclopedia)Baldwin, Abraham, 1754–1807, American political leader, b. Guilford, Conn. After serving as a chaplain in the American Revolution, he studied law and in 1784 was admitted to practice in Georgia. He ...

ether, in physics and astronomy

(Encyclopedia)ether or aether, in physics and astronomy, a hypothetical medium for transmitting light and heat (radiation), filling all unoccupied space; it is also called luminiferous ether. In Newtonian physics a...

Einstein, Albert

(Encyclopedia)Einstein, Albert īnˈstīn [key], 1879–1955, American theoretical physicist, known for the formulation of the relativity theory, b. Ulm, Germany. He is recognized as one of the greatest physicists ...

Demangeon, Albert

(Encyclopedia)Demangeon, Albert dāmäNzhōNˈ [key], 1872–1940, French geographer, specializing in the study of regional and economic geography. His best-known works include Le Déclin de L'Europe (1920), L'Empi...

Albert, Lake

(Encyclopedia)Albert, Lake, or Albert Nyanza nīănˈzə, nyänˈzä [key], 2,064 sq mi (5,346 sq km), on the Congo (Kinshasa)–Uganda border, E central Africa. The lake is c.100 mi (160 km) long and c.19 mi (30 k...

Albert Achilles

(Encyclopedia)Albert Achilles əkĭlˈēz [key], 1414–86, elector of Brandenburg (1470–86); third son of Elector Frederick I. He succeeded his brother in 1470. Anxious to consolidate Hohenzollern power in Brand...

Albert Canal

(Encyclopedia)Albert Canal, waterway, c.80 mi (130 km) long, N Belgium, from the Meuse River to the Scheldt River; constructed 1930–39. The canal connects the important industrial region around Liège with the po...

Albert Lea

(Encyclopedia)Albert Lea lē [key], city (2020 pop. 18,492), seat of Freeborn co., S Minn., near the Iowa line; inc. 1878. It is a manufacturing and marketing center in a dairy, livesto...

Albert Nile

(Encyclopedia)Albert Nile, river, Uganda: see Nile. ...