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Piaget, Jean

(Encyclopedia)Piaget, Jean zhäNpyäˈjā [key], 1896–1980, Swiss psychologist, known for his research in developmental psychology. After receiving a degree in zoology from the Univ. of Neuchâtel (1918), Piaget'...

Jean

(Encyclopedia)Jean zhäN [key], 1921–2019, grand duke of Luxembourg (1964–2000); son of Charlotte, grand duchess of Luxembourg, and Felix, prince of Bourbon-Parma. He fought with Great Britain's Irish Guards in...

Vaugelas, Claude Favre de

(Encyclopedia)Vaugelas, Claude Favre de klōd fäˈvrə də vōzhəläˈ [key], 1585–1650, French grammarian. He set up, in his Remarques sur la langue française (1647), the usage of cultured people as the stand...

Helvétius, Claude Adrien

(Encyclopedia)Helvétius, Claude Adrien hĕlvēˈshəs, Fr. klōd ädrēăNˈ ĕlvāsyüsˈ [key], 1715–71, French philosopher, one of the Encyclopedists. He held the post of farmer-general (i.e., tax collector),...

Bowers, Claude Gernade

(Encyclopedia)Bowers, Claude Gernade zhərnädˈ bouˈərz [key], 1878–1958, American journalist, historian, and diplomat, b. Hamilton co., Ind. After serving as editor of the Fort Wayne Journal Gazette (1917–2...

Pepper, Claude Denson

(Encyclopedia)Pepper, Claude Denson, 1900–1989, U.S. Senator (1936–51) and Representative (1962–89), b. Dudleyville, Ala. He was admitted (1928) to the bar, practiced law in Florida, and held many state offic...

Forbin, Claude, comte de

(Encyclopedia)Forbin, Claude, comte de klōd kôNt də fôrbăNˈ [key], 1656–1733, French naval commander. He fought in the Antilles (1680) and in Abraham Duquesne's Algerian campaign (1682–83) and from 1685 t...

Berthollet, Claude Louis, Comte

(Encyclopedia)Berthollet, Claude Louis, Comte klōd lwē, kôNt bĕrtōlāˈ [key], 1748–1822, French chemist. His contributions to chemistry include the analysis of ammonia and prussic acid and the discovery of ...

Swanson, Claude Augustus

(Encyclopedia)Swanson, Claude Augustus, 1862–1939, American politician, b. Pittsylvania co., Va. He practiced law in Chatham, Va., and after serving (1893–1905) in the U.S. House of Representatives he was (1906...

Shannon, Claude Elwood

(Encyclopedia)Shannon, Claude Elwood, 1916–2001, American applied mathematician, b. Gaylord, Michigan. A student of Vannevar Bush at the Massachusetts Institute of Technology (MIT), he was the first to propose th...