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Sieyès, Emmanuel Joseph

(Encyclopedia)Sieyès, Emmanuel Joseph ĕmänüĕlˈ zhôzĕfˈ syāĕsˈ [key], 1748–1836, French revolutionary and statesman. He was a clergyman before the Revolution and was known as Abbé Sieyès. His pamphle...

Morny, Charles Auguste Louis Joseph, duc de

(Encyclopedia)Morny, Charles Auguste Louis Joseph, duc de shärl ōgüstˈ lwē zhôzĕfˈ dük də môrnēˈ [key], 1811–65, French statesman; illegitimate son of Hortense de Beauharnais and the comte de Flahaut...

LaFontaine, Sir Louis Hippolyte

(Encyclopedia)LaFontaine, Sir Louis Hippolyte ləwēˈ ēpôlētˈ läfôNtĕnˈ [key], 1807–64, Canadian political leader, b. Lower Canada (now Quebec). A lawyer, he entered (1830) the Legislative Assembly of Lo...

Scully, Vincent Joseph, Jr.

(Encyclopedia)Scully, Vincent Joseph, Jr., 1920–2018, American architectural historian, b. New Haven, Conn., grad. Yale (B.A., 1940; Ph.D., 1949). As a professor of art history at Yale (1947–91, though he taugh...

atomic weight

(Encyclopedia)atomic weight, mean (weighted average) of the masses of all the naturally occurring isotopes of a chemical element, as contrasted with atomic mass, which is the mass of any individual isotope. Althoug...

kinetic-molecular theory of gases

(Encyclopedia)kinetic-molecular theory of gases, physical theory that explains the behavior of gases on the basis of the following assumptions: (1) Any gas is composed of a very large number of very tiny particles ...

Armstrong, Louis

(Encyclopedia)Armstrong, Louis (Daniel Louis Armstrong), known as “Satchmo” and “Pops,” 1901–1971, American jazz trumpet virtuoso, singer, and bandleader, b. New Orleans. He learned to play the cornet in ...

Malle, Louis

(Encyclopedia)Malle, Louis lwē mäl [key], 1932–95, French film director, b. Thumeries, France. Malle's motion pictures are noted for their nonjudgmental approach to often taboo material, for which he sought to ...

McLane, Louis

(Encyclopedia)McLane, Louis, 1786–1857, American statesman, b. Smyrna, Del. He served in the U.S. House of Representatives (1817–27) and in the Senate (1827–29), resigning to become minister to England (1829...

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