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3M Co.
U.S. corporation headquartered in St. Paul, Minn., manufacturing a wide range of products.
A Coruña
City (pop., 2003 est.: 243,902), northwestern Spain.
a priori
In epistemology, knowledge that is independent of all particular experiences, as opposed to a posteriori (or empirical) knowledge, which derives from experience.
Aachen
City (pop., 1995 est.: 247,000), western Germany, southwest of Cologne.
Aalto, (Hugo) Alvar (Henrik)
Finnish architect and designer.
aardvark
Heavily built mammal (Orycteropus afer) of sub-Saharan forests and plains.
Aare River
River, central and northern Switzerland.
Aaron
Brother of Moses and traditional founder and head of the priesthood of ancient Israel.
Aaron, Hank
U.S. baseball player, one of the greatest in professional baseball.
AARP
Nonprofit, nonpartisan organization that addresses the needs and interests of Americans aged 50 and older.
abacus
Calculating instrument that uses beads that slide along a series of wires or rods set in a frame to represent the decimal places.
Abakanowicz, Magdalena
Polish sculptor.
abalone
Any of several marine snail species (genus Haliotis, family Haliotidae), found in warm seas worldwide.
Abbado, Claudio
Italian conductor.
'Abbas I
Viceroy of Egypt (1848–54) under the Ottoman Empire.
'Abbas I
Shah of Persia (1587–1629).
Abbas, Ferhat
Algerian political leader who served as first president of the provisional government of the Algerian Republic (1958).
Abbas, Mahmoud
Palestinian leader.
'Abbasid dynasty
(750–1258) The second of the two great Sunnite dynasties of the Islamic Caliphate.
Abbate, Niccolo dell'
Italian painter.
Abbe, Cleveland
U.S. meteorologist.
abbey
Complex of buildings housing a monastery or convent under the direction of an abbot or abbess, serving the needs of a self-contained religious community.
Abbey Theatre
Dublin theatre.
Abbey, Edward
U.S. writer and environmentalist.
Abbott, Berenice
U.S. photographer.
Abbott, Bud; and Costello, Lou
U.S. comedy team, prominent in vaudeville from 1931 and on radio from 1938.
Abbott, George (Francis)
U.S. theatre director, producer, and playwright.
Abbott, Grace
U.S. social worker, public administrator, educator, and reformer.
Abbott, Lyman
U.S. minister.
Abbott, Sir John (Joseph Caldwell)
Canadian prime minister (1891–92).
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