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Lederberg, Joshua

(Encyclopedia)Lederberg, Joshua lāˈdərbûrgˌ [key], 1925–2008, American geneticist, b. Montclair, N.J., grad. Columbia, 1944, Ph.D. Yale, 1948. He is known for his studies of the genetic mechanisms of bacteri...

Lorenz, Edward Norton

(Encyclopedia)Lorenz, Edward Norton, 1917–2008, American meteorologist and pioneer of chaos theory, b. West Hartford, Conn., Ph.D. Massachusetts Institute of Technology, 1948. Lorenz became interested in meteorol...

Kalevala

(Encyclopedia)Kalevala käˈlĕväˌlä [key], Finnish national epic. It is a compilation of verses recounting extraordinary deeds of three semidivine brothers from mythical Kaleva, land of the heroes. Zakarias Top...

Paley Center for Media

(Encyclopedia)Paley Center for Media, American archive of radio and television programs, and forum for the discussion of the role and evolution of electronic media as well as the intersections of media and society;...

Buckle, Henry Thomas

(Encyclopedia)Buckle, Henry Thomas, 1821–62, English historian. Contemptuous of the historical writing of his day, with its intense concern with politics, wars, and heroes, Buckle undertook the ambitious plan of ...

Bland-Allison Act

(Encyclopedia)Bland-Allison Act, 1878, passed by the U.S. Congress to provide for freer coinage of silver. The original bill offered by Representative Richard P. Bland incorporated the demands of the Western radica...

Valentino, Rudolph

(Encyclopedia)Valentino, Rudolph văləntēˈnō [key], 1895–1926, American film actor, b. Italy as Rodolfo Guglielmi. He emigrated to the United States in 1913 and, after a brief career as a dancer and bit playe...

behavior therapy

(Encyclopedia)behavior therapy or behavior modification, in psychology, treatment of human behavioral disorders through the reinforcement of acceptable behavior and suppression of undesirable behavior. The techniqu...

Southern Ocean

(Encyclopedia)Southern Ocean or Antarctic Ocean, name sometimes given to those parts of the Pacific, Atlantic, and Indian oceans that surround Antarctica S of roughly 60°S. These waters are marked by the Antarctic...

Sims, William Sowden

(Encyclopedia)Sims, William Sowden, 1858–1936, American naval officer, b. Port Hope, Upper Canada (now Ontario), of American parents. After serving with the Atlantic and Pacific fleets, he was (1897–1900) naval...