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watershed

(Encyclopedia)watershed, elevation or divide separating the catchment area, or drainage basin, of one river system or group of river systems from another system or group of systems. The term is also often used syno...

Beer, George Louis

(Encyclopedia)Beer, George Louis, 1872–1920, American historian, b. Staten Island, N.Y. He was a tobacco importer for 10 years but also lectured on European history at Columbia from 1893 to 1897. After 1903 he de...

All-American Canal

(Encyclopedia)All-American Canal, 80 mi (129 km) long, SE Calif.; part of the federal irrigation system of the Hoover Dam. Built between 1934 and 1940 across the Colorado Desert, the canal is entirely within the Un...

Golgi, Camillo

(Encyclopedia)Golgi, Camillo kämēlˈlō gôlˈjē [key], 1844–1926, Italian physician, noted as a neurologist and histologist. He shared with Ramón y Cajal the 1906 Nobel Prize in Physiology or Medicine for wo...

Pitman, Sir Isaac

(Encyclopedia)Pitman, Sir Isaac, 1813–97, English inventor of phonographic shorthand. In Stenographic Soundhand (1837) he set forth a shorthand system based on phonetic rather than orthographic principles; adapte...

Bell, Andrew

(Encyclopedia)Bell, Andrew, 1753–1832, British educator, b. St. Andrews, Scotland. After seven years in Virginia as a tutor, he returned to England, was ordained a deacon, and later (1789) became superintendent o...

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...

gland

(Encyclopedia)gland, organ that manufactures chemical substances. A gland may vary from a single cell to a complex system of tubes that unite and open onto a surface through a duct. The endocrine glands, e.g., the ...

William and Mary in Virginia, College of

(Encyclopedia)William and Mary in Virginia, College of, mainly at Williamsburg; state supported; coeducational; chartered 1693, opened 1694 by Episcopalians under James Blair. It became a university in 1779. The se...

Gates, Bill

(Encyclopedia)Gates, Bill (William Henry Gates 3d), 1955–, American business executive, b. Seattle, Wash. At the age of 19, Gates founded (1975) the Microsoft Corp....