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Dunbar, William, American scientist

(Encyclopedia)Dunbar, William, 1749–1810, American scientist in the old Southwest, b. near Elgin, Scotland. He came to America in 1771. Commissioned by President Jefferson to investigate the Ouachita and Red Rive...

Blackwell, Elizabeth

(Encyclopedia)Blackwell, Elizabeth, 1821–1910, American physician, b. England; sister of Henry Brown Blackwell. She was the first woman in the United States to receive a medical degree, which was granted (1849) t...

Meek, Carrie Pittman

(Encyclopedia) Meek, Carrie Pittman , 1926-2021, American politician, b. Tallahassee, Fl., Florida A&M Univ. (B.A., 1946), Univ. of Michigan (M.A., 1948). Meek ...

Latin American Integration Association

(Encyclopedia)Latin American Integration Association (LAIA), organization formed in 1980 by Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Mexico, Paraguay, Peru, Uruguay, and Venezuela, taking over the duti...

Agricola, Georgius

(Encyclopedia)Agricola, Georgius gāˈôrk bouˈər [key], 1494–1555, German physician and scientist, known as the father of mineralogy. He was a pioneer in physical geology and the first to classify minerals sci...

Organization of American States

(Encyclopedia)Organization of American States (OAS), international organization, created Apr. 30, 1948, at Bogotá, Colombia, by agreement of Argentina, Bolivia, Brazil, Chile, Colombia, Costa Rica, the Dominican R...

Seabury, Samuel, American clergyman

(Encyclopedia)Seabury, Samuel, 1729–96, American clergyman, first bishop of the Episcopal Church, b. Connecticut, grad. Yale, 1748. He studied medicine at the Univ. of Edinburgh, then turned to theology and was o...

rococo, in architecture

(Encyclopedia)rococo rəkōˈkō, rō– [key], style in architecture, especially in interiors and the decorative arts, which originated in France and was widely used in Europe in the 18th cent. The term may be der...

sin, in religion

(Encyclopedia)sin, in religion, unethical act. The term implies disobedience to a personal God, as in Judaism, Christianity, and Islam, and is not used so often in systems such as Buddhism where there is no persona...

fatigue, in physiology

(Encyclopedia)fatigue, in physiology, inability to perform reasonable and necessary physical or mental activity. Muscle fatigue, for example, results when the contractile properties of muscle are reduced, and conti...