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North American Free Trade Agreement

(Encyclopedia)North American Free Trade Agreement (NAFTA), accord establishing a free-trade zone in North America; it was signed in 1992 by Canada, Mexico, and the United States and took effect on Jan. 1, 1994. NAF...

Hopkins, Lemuel

(Encyclopedia)Hopkins, Lemuel, 1750–1801, American poet and physician, b. Waterbury, Conn. One of the Connecticut Wits, he collaborated with several others in writing popular political satires. He was one of the ...

lyceum, 19th-century American educational association

(Encyclopedia)lyceum līsēˈəm, līˈ– [key], 19th-century American association for popular instruction of adults by lectures, concerts, and other methods. Lyceum groups were concerned with the dissemination of...

Copley, John Singleton, American portrait painter

(Encyclopedia)Copley, John Singleton kŏpˈlē [key], 1738–1815, American portrait painter, b. Boston. Copley is considered the greatest of the American old masters. He studied with his stepfather, Peter Pelham, ...

Guthrie, Samuel

(Encyclopedia)Guthrie, Samuel, 1782–1848, American physician, b. Brimfield, Mass. In Sackets Harbor, N.Y., where he settled after serving as surgeon in the War of 1812, he invented a percussion powder and a punch...

Longinus, c.213–273, Greek rhetorician and philosopher

(Encyclopedia)Longinus (Cassius Longinus), c.213–273, Greek rhetorician and philosopher of the Neoplatonic school. He taught rhetoric at Athens. He later became counselor to Queen Zenobia of Palmyra; when the ant...

Butler, Samuel, 1612–80, English poet and satirist

(Encyclopedia)Butler, Samuel, 1612–80, English poet and satirist. During the Puritan Revolution he served Sir Samuel Luke, a noted officer of Cromwell. After the restoration of Charles II, he wrote his famous moc...

W and Z particles

(Encyclopedia)W and Z particles, elementary particles that mediate, or carry, the fundamental force associated with weak interactions. The discovery of the W and Z particles at CERN near Geneva, Switzerland, in the...

Frist, Bill

(Encyclopedia)Frist, Bill (William Harrison Frist), 1952–, American politician and physician, b. Nashville, Tenn., grad. Princeton (B.A., 1974), Harvard Medical School (M.D., 1978). From a distinguished medical f...

Monitor and Merrimack

(Encyclopedia)Monitor and Merrimack, two American warships that fought the first engagement between ironclad ships. When, at the beginning of the Civil War, the Union forces abandoned the Norfolk Navy Yard at Ports...