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Gay-Lussac, Joseph Louis

(Encyclopedia)Gay-Lussac, Joseph Louis zhôzĕfˈ lwē gā-lüsäkˈ [key], 1778–1850, French chemist and physicist. He was professor in Paris at the Sorbonne, at the Polytechnic School, and at the Jardin des Pla...

Garnier-Pagès, Louis Antoine

(Encyclopedia)Garnier-Pagès, Louis Antoine gärnyāˈ-päzhĕsˈ [key], 1803–78, French politician. Becoming active in politics after his brother's death, he was elected (1842) to the chamber of deputies. He op...

Gates, Henry Louis, Jr.

(Encyclopedia)Gates, Henry Louis, Jr., 1950–, American scholar and critic, b. Keyser, W.Va., B.A. Yale, 1973, Ph.D. Cambridge, 1979, where he studied with Wole Soyinka. Gates is an expert on African-American lite...

Fizeau, Armand Hippolyte Louis

(Encyclopedia)Fizeau, Armand Hippolyte Louis ärmäNˈ ēpôlētˈ lwē fēzōˈ [key], 1819–96, French physicist. The first to measure (1849) the velocity of light in air, he also determined its speed in water. ...

Deschanel, Paul Eugéne Louis

(Encyclopedia)Deschanel, Paul Eugéne Louis dāshänĕlˈ [key], 1855–1922, president of the French republic (1920); son of Émile Deschanel. A member of the chamber of deputies from 1885 and several times its p...

Duchesne, Louis Marie Olivier

(Encyclopedia)Duchesne, Louis Marie Olivier lwē märēˈ ōlēvyāˈ düshĕnˈ [key], 1843–1922, French Roman Catholic ecclesiastic, educator, church historian, and archaeologist. He made a scientific expeditio...

Dumont, Pierre Étienne Louis

(Encyclopedia)Dumont, Pierre Étienne Louis pyĕr ātyĕnˈ lwē dümôNˈ [key], 1759–1829, Swiss jurist and political writer. Dumont knew Mirabeau well and wrote many of his speeches. His Souvenirs sur Mirabeau...

Couperus, Louis Marie Anne

(Encyclopedia)Couperus, Louis Marie Anne lwē märēˈ än ko͞opāˈro͝os [key], 1863–1923, Dutch novelist. In his early works he emphasized with graceful irony the determining forces of human history and envir...

Davies, Sir Louis Henry

(Encyclopedia)Davies, Sir Louis Henry dāˈvĭs [key], 1845–1924, Canadian jurist, b. Charlottetown, P.E.I. While a member of the provincial legislature (1872–79), he also served (1876–79) as prime minister o...

Daguerre, Louis Jacques Mandé

(Encyclopedia)Daguerre, Louis Jacques Mandé lwē zhäk mäNdāˈ dägârˈ [key], 1789–1851, French scene painter and physicist, inventor of the daguerreotype, a photograph produced on a silver-coated copper pla...