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Sierra Club

(Encyclopedia)Sierra Club, national organization in the United States dedicated to the preservation and expansion of the world's parks, wildlife, and wilderness areas. Founded (1892) in California by a group led by...

Huffington, Arianna Stassinopoulos

(Encyclopedia) Huffington, Arianna Stassinopoulos, 1950- , Greek-American journalist and web entrepreneur, b. Athens, Greece, as Ariadne-Anna Stasinopoúlou,...

Four-H

(Encyclopedia)Four-H or 4-H, organization for boys and girls, generally from 8 to 18 years of age; some states offer programs for younger children, and there are also collegiate programs. 4-H teaches young people l...

Energy, United States Department of

(Encyclopedia)Energy, United States Department of, executive department of the federal government responsible for coordinating national activities relating to the production, regulation, marketing, and conservation...

Van Zeeland, Paul

(Encyclopedia)Van Zeeland, Paul pōl vän zāˈlänt [key], 1893–1973, Belgian political leader. He was a professor of law and later director of the institute of economic science at the Univ. of Louvain and vice ...

secret society

(Encyclopedia)secret society, organization of initiated persons whose members, purposes, and rituals are kept secret. Human groups throughout history have maintained secret societies. The ceremonies of initiation i...

Khatami, Mohammad

(Encyclopedia)Khatami, Mohammad khätˈämē [key], 1943–, Iranian religious and political leader. From a prominent clerical family, Khatami opposed the regime of Muhammad Reza Shah Pahlevi in the 1960s and 70s, ...

American Film Institute

(Encyclopedia)American Film Institute (AFI), nonprofit organization established in Washington, D.C., in 1967 by the National Endowment for the Arts to preserve and catalog American films and television, to provide ...

Cornell, Eric Allin

(Encyclopedia)Cornell, Eric Allin, 1961–, American physicist, b. Palo Alto, Calif., Ph.D. Massachusetts Institute of Technology, 1990. Since 1990, he has been a researcher at the Joint Institute for Laboratory As...

Wieman, Carl Edwin

(Encyclopedia)Wieman, Carl Edwin, 1951–, American physicist, b. Corvallis, Oreg., Ph.D. Stanford, 1977. He was a professor at the Univ. of Colorado from 1984 to 2006. In 2007, he joined the Univ. of British Colum...