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Davisson, Clinton Joseph

(Encyclopedia)Davisson, Clinton Joseph dāˈvĭsən [key], 1881–1958, American physicist, b. Bloomington, Ill. He joined the engineering department of the Bell Telephone Laboratories in 1917. Davisson worked on t...

Lagrange, Joseph Louis, Comte

(Encyclopedia)Lagrange, Joseph Louis, Comte zhôzĕfˈ lwē kôNt lägräNzhˈ [key], 1736–1813, French mathematician and astronomer, b. Turin, of French and Italian descent. Before the age of 20 he was professor...

Hérold, Louis Joseph Ferdinand

(Encyclopedia)Hérold, Louis Joseph Ferdinand lwē zhôzĕfˈ fĕrdēnäNˈ ārôldˈ [key], 1791–1833, French composer. He composed a number of operas, two of which—Zampa (1831) and Le Pré aux clercs (1832)...

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...

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...

Niépce, Joseph Nicéphore

(Encyclopedia)Niépce, Joseph Nicéphore zhôzĕfˈ nēsāfôrˈ nyĕps [key], 1765–1833, French chemist who originated a process of photography (see photography, still). In 1826 he produced the first known photo...

Frontenac, Louis de Buade, comte de Palluau et de

(Encyclopedia)Frontenac, Louis de Buade, comte de Palluau et de frŏnˈtĭnăk, Fr. lwē də büädˈ koNt də pälüōˈ ā də frôNtənäkˈ [key], 1620–98, French governor of New France. His early military ca...

Maistre, Joseph de

(Encyclopedia)Maistre, Joseph de zhôzĕfˈ də mĕsˈtrə [key], 1753–1821, French writer and diplomat. Born in Savoy, he was Sardinian ambassador at St. Petersburg from 1803 to 1817. A passionate Roman Catholic...

Louis Philippe

(Encyclopedia)Louis Philippe lwē fēlēpˈ [key], 1773–1850, king of the French (1830–48), known before his accession as Louis Philippe, duc d'Orléans. The son of Philippe Égalité (see Orléans, Louis Phili...

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