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Lederman, Leon Max

(Encyclopedia)Lederman, Leon Max lĕdˈərmən [key], 1922–2018, American physicist, Ph.D. Columbia, 1951. He was a professor at Columbia until he became director of the Fermi National Accelerator Laboratory in B...

León, city, Mexico

(Encyclopedia)León, city (1990 pop. 758,270), Guanajuato state, central Mexico. It is located in a fertile river valley c.5,600 ft (1,700 m) high, but with a mild, temperate climate. Frequent floods, which in 1888...

León, city, Nicaragua

(Encyclopedia)León, city (1995 pop. 125,117), W Nicaragua. It is Nicaragua's second largest city and the rail and commercial center between Corinto and Managua. It was founded in 1524 on Lake Managua by Francisco ...

León, city, Spain

(Encyclopedia)León, city (1990 pop. 137,758), capital of León prov., NW Spain, in Castile and León, at the foot of the Cantabrian Mts. and at the confluence of the Bernesga and Torio rivers. It is an agricultura...

Castile and León

(Encyclopedia)Castile and León –lāōnˈ [key], autonomous community, 36,381 sq mi (94,227 sq km), N central Spain, ...

Rudenstine, Neil Leon

(Encyclopedia)Rudenstine, Neil Leon ro͞oˈdənstīnˌ [key], 1935–, American scholar, educator, and administrator, b. Ossining, N.Y., grad. Princeton (B.A., 1956), Oxford (Rhodes scholar; B.A., 1959; M.A., 1963)...

Blau, Joseph Leon

(Encyclopedia)Blau, Joseph Leon blou [key] 1909–86, American Jewish scholar and educator, b. Brooklyn, N.Y., grad. Columbia (A.B., 1931; M.A., 1933; Ph.D., 1945). He taught at Columbia from 1944, becoming profess...

Brittan, Sir Leon

(Encyclopedia)Brittan, Sir Leon brĭtˈən [key], 1939–, British politician. Educated at Cambridge, he was elected to Parliament as a Conservative in 1974. Under Margaret Thatcher he served as home secretary (198...

Spinks, Leon, Jr.

(Encyclopedia)Spinks, Leon, Jr. 1953-2021, American boxer, b. St. Louis, Mo. Spinks began boxing at age 13, dropping out of high school in his junior year to join the...