Columbia Encyclopedia

(Encyclopedia) Young-Helmholtz theory: see vision. ...

(Encyclopedia) Young, John Watts, 1930–2018, American astronaut, b. San Francisco. A Navy test pilot, he joined the National Aeronautics and Space Administration's astronaut program in 1962. Young served as pilot ...

(Encyclopedia) Young Men's and Young Women's Hebrew Associations (YMHA, YWHA), organizations that promote health, social activities, recreation, acculturation of new Jewish Americans, and Jewish culture among Jews o...

(Encyclopedia) Provo prōˈvō [key], city (1990 pop. 86,835), seat of Utah co., N central Utah, on the Provo River near Utah Lake; inc. 1851. It is a distribution, processing, and manufacturing center in an extensi...

(Encyclopedia) Ogden, river, 35 mi (56 km) long, rising in the Wasatch Range in N Utah, and flowing SW to join the Weber River at Ogden. The river has been used for irrigation for nearly a century. The Ogden–Brigh...

(Encyclopedia) Young Men's Christian Association, (the Y or YMCA), organization having as its objective the development of values and behaviors that are consistent with Christian principles. Despite its name, member...

(Encyclopedia) Strang, James Jesse străng [key], 1813–56, American Mormon leader, b. Cayuga co., N.Y. A lawyer, teacher, and newspaperman, he migrated in 1843 to Wisconsin, was converted to Mormonism and baptized...

(Encyclopedia) Young, Andrew Jackson, Jr., 1932–, African-American leader, clergyman, and public official, b. New Orleans. He was a leading civil-rights activist in the 1960s and, as a Democrat from Georgia, serve...

(Encyclopedia) Young, Geoffrey Winthrop, 1876–1958, English writer, an authority on mountaineering. He was educated at Cambridge and later studied in Switzerland and France. Before 1914 he made an impressive recor...

(Encyclopedia) Young, Charles Augustus, 1834–1908, American astronomer, b. Hanover, N.H., grad. Dartmouth, 1853. He discovered the reversing layer of the solar atmosphere and proved the gaseous nature of the sun's...