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Davis, Charles Henry

(Encyclopedia)Davis, Charles Henry, 1807–77, American naval officer and scientist, b. Boston. Appointed a midshipman in 1823, Davis directed operations of the Coast Survey for a time along the New England coast. ...

Considérant, Victor Prosper

(Encyclopedia)Considérant, Victor Prosper vēktôrˈ prōspârˈ kôNsēdāräNˈ [key], 1808–93, French socialist; follower of Charles Fourier. In 1837, at the death of Fourier, he became the acknowledged leade...

Howard, Richard

(Encyclopedia)Howard, Richard (Richard Joseph Howard), 1929–, American poet, translator, and essayist, b. Cleveland, studied Columbia (B.A. 1951), the Sorbonne, Paris. Beginning with Quantities (1962), he has wri...

antidiuretic hormone

(Encyclopedia)antidiuretic hormone ănˌtēdīyo͞orĕtˈĭk [key], polypeptide hormone secreted by the posterior pituitary gland. Its principal action is to regulate the amount of water excreted by the kidneys. An...

Freycinet, Louis Claude Desaulses de

(Encyclopedia)Freycinet, Louis Claude Desaulses de də frāsēnāˈ [key], 1779–1842, French marine officer. He was assigned (1800) to a French exploring expedition in Australian waters; after his return to Pari...

George, Lake

(Encyclopedia)George, Lake, glacial lake, 33 mi (53 km) long and 1 to 3 mi (1.6–5 km) wide, in the foothills of the Adirondack Mts., NE N.Y.; it drains NE via rapids and waterfalls into Lake Champlain. The lake w...

Meyerbeer, Giacomo

(Encyclopedia)Meyerbeer, Giacomo jäˈkōmō mīˈyərbĕr [key], 1791–1864, German operatic composer. He traveled in Italy and experimented in various styles of composition, but his real success came only with h...

Limousin

(Encyclopedia)Limousin lēmo͞ozăNˈ [key], region and former province, S central France, in the arid, hilly country W of the Auvergne Mts. It comprises the depts. of Corrèze, Creuse, and Haute-Vienne, and is par...

Maupertuis, Pierre Louis Moreau de

(Encyclopedia)Maupertuis, Pierre Louis Moreau de pyĕr lwē môrōˈ də mōpĕrtüēˈ [key], 1698–1759, French mathematician and astronomer. For his skillful support of Newton's theory he was admitted to the Ro...

Knolles, Sir Robert

(Encyclopedia)Knolles or Knollys, Sir Robert both: nōlz [key], d. 1407, English military commander in the Hundred Years War. He became a leader of a company of mercenaries, fought against Bertrand Du Guesclin, who...