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Kaválla

(Encyclopedia)Kaválla or Cavala both: käväˈlä [key], city (1991 pop. 58,025), capital of Kaválla prefecture, NE Greece, in Macedonia; a port on the Gulf of Kaválla, an inlet of the Aegean Sea. Surrounded by ...

Kearny, Lawrence

(Encyclopedia)Kearny, Lawrence kärˈnē [key], 1789–1868, American naval officer, b. Perth Amboy, N.J.; cousin of Stephen Watts Kearny. He became a midshipman in 1807, served in the War of 1812, and later saw ac...

Stuart, James

(Encyclopedia)Stuart, James, 1713–88, English architect, archaeologist, and painter. After working his way to Rome in 1742, Stuart accompanied Nicholas Revett on an archaeological expedition to Naples. Under the ...

Spada, Lionello

(Encyclopedia)Spada, Lionello lyōnĕlˈlō späˈdä [key], 1576–1622, Italian painter, active mainly in Emilia. His signature was an L placed across a sword [Ital. spada=sword]. His work shows influence of the ...

parity

(Encyclopedia)parity or space parity, in physics, quantity that refers to the relationship between an object or process and the image that it can produce in a mirror. For example, any right-handed object will produ...

Donner Party

(Encyclopedia)Donner Party, group of emigrants to California who in the winter of 1846–47 met with one of the most famous tragedies in Western history. The California-bound families were mostly from Illinois and ...

hardening

(Encyclopedia)hardening, in metallurgy, treatment of metals to increase their resistance to penetration. A metal is harder when it has small grains, which result when the metal is cooled rapidly. Sometimes small ar...

Petraeus, David Howell

(Encyclopedia)Petraeus, David Howell pĕtrāˈəs [key], 1952–, American military officer and government official, b. Cornwall, N.Y., studied West Point (B.S., 1974), U.S. Army Command and General Staff College (...

Newlands, Francis Griffith

(Encyclopedia)Newlands, Francis Griffith, 1848–1917, American legislator, b. Natchez, Miss. After practicing law in San Francisco from 1870, he moved (1888) to Nevada. He became well known for his interest in irr...

Lippman, Gabriel Jonas

(Encyclopedia)Lippman, Gabriel Jonas, 1845–1921, French physicist, Ph.D. Sorbonne, 1875. He was a professor at the Sorbonne from 1883 until his death in 1921. Lippman received the 1908 Nobel Prize in Physics for ...