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Atomic Energy Agency, International

(Encyclopedia)Atomic Energy Agency, International (IAEA), independent intergovernmental organization established in 1957 under the aegis of the United Nations to promote safe, secure, and peaceful uses of atomic e...

Meagher, Thomas Francis

(Encyclopedia)Meagher, Thomas Francis mär [key], 1823–67, Irish revolutionary and Union general in the American Civil War, b. Waterford, Ireland. A leader of the Young Ireland movement, he was arrested and conde...

tempering

(Encyclopedia)tempering, process involving slow and moderate heating to increase the hardness and toughness of metals that have undergone previous heat treatment. Metals are usually hardened (see hardening) by bein...

Albornoz, Gil Álvarez Carrillo de

(Encyclopedia)Albornoz, Gil Álvarez Carrillo de hēl älˈvärĕth kärēˈlyō dā älbôrnôthˈ [key], 1310?–1367, Spanish and papal statesman and general, cardinal of the Roman Catholic Church. Under Alfonso...

Ettwein, John

(Encyclopedia)Ettwein, John ĕtˈvīn [key], 1721–1802, German-American churchman, leader and bishop of the Moravian Church in the United States. He came to America from Germany in 1754 as a missionary. In his mi...

Mason-Dixon Line

(Encyclopedia)Mason-Dixon Line, boundary between Pennsylvania and Maryland (running between lat. 39°43′26.3″N and lat. 39°43′17.6″N), surveyed by the English team of Charles Mason, a mathematician and ast...

William the Lion

(Encyclopedia)William the Lion, 1143–1214, king of Scotland (1165–1214), brother and successor of Malcolm IV. Determined to recover Northumbria (lost to England in 1157), he supported the rebellion (1173–74) ...

Bouquet, Henry

(Encyclopedia)Bouquet, Henry bo͞okāˈ [key], 1719–65, British army officer in the French and Indian Wars. A French Swiss, he came to America in 1756 and distinguished himself as second in command to Gen. John F...

Scowcroft, Brent

(Encyclopedia)Scowcroft, Brent, 1925–2020, U.S. air force general and government official, b. Ogden, Utah, B.S. United States Military Academy, 1947, Ph.D. Columbia, 1967. From 1947 to 1975, he served in the U.S....

Puget Sound

(Encyclopedia)Puget Sound pyo͞oˈjĕt [key], arm of the Pacific Ocean, NW Wash., connected with the Pacific by Juan de Fuca Strait, entered through the Admiralty Inlet and extending in two arms c.100 mi (160 km) S...