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fluid

(Encyclopedia)fluid, any substance that is able to flow. Of the four states of matter, only a solid is not a fluid, since it has a definite shape that is not readily changed. Any liquid, gas, or plasma is classed a...

Michel, Hartmut

(Encyclopedia)Michel, Hartmut mĭkhˈəl [key], 1948–, German biochemist, Ph.D. Univ. of Würzburg, 1977. Michel was the first person to reduce a photosynthetic action center, which is a four-protein complex, to ...

Murray, John

(Encyclopedia)Murray, John, 1741–1815, founder of the Universalist denomination in America, b. England. He was excommunicated by the Methodists after he had openly accepted Universalism as taught by James Relly (...

Attica

(Encyclopedia)Attica ătˈĭkə [key], region of ancient Greece, a triangular area at the eastern end of central Greece, around Athens. According to Greek legend, the four Attic tribes were founded by Ion; in later...

Lewis, Carl

(Encyclopedia)Lewis, Carl (Frederick Carlton Lewis), 1961–, American sprinter and jumper, b. Birmingham, Ala. A star in high school and at the Univ. of Houston, he became possibly the greatest track athlete of al...

Mahan, Dennis Hart

(Encyclopedia)Mahan, Dennis Hart, 1802–71, American soldier and educator, b. New York City; father of Alfred Thayer Mahan. He graduated (1824) from West Point, and from that year until 1871, except for four years...

López de Ayala, Pedro

(Encyclopedia)López de Ayala, Pedro pāˈᵺrō lōˈpāth ᵺā äyäˈlä [key], 1332–1407, Spanish statesman, poet, and chronicler. As a royal official in Castile, he served Peter the Cruel, Henry II, John I,...

Yacine, Kateb

(Encyclopedia)Yacine, Kateb käˈtāb yäˈsēn [key], 1929–89, Algerian author. In 1945 he moved to Paris and afterward traveled in Europe and Asia. His most famous work is the novel Nedjma (1957, tr. 1961, new ...

Vonn, Lindsey Caroline

(Encyclopedia)Vonn, Lindsey Caroline, 1984–, American skier, b. St. Paul, Minn., as Lindsey Caroline Kildow, married U.S. skier Thomas Vonn, 2007–13. The only American to win four overall World Cup titles (2008...

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