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Martignac, Jean Baptiste Sylvère Gay, vicomte de

(Encyclopedia)Martignac, Jean Baptiste Sylvère Gay, vicomte de zhäN bätēstˈ sēlvĕrˈ gā vēkôNtˈ də märtēnyäkˈ [key], 1778–1832, French statesman. He was elected (1821) to the chamber of deputies a...

Royer-Collard, Pierre Paul

(Encyclopedia)Royer-Collard, Pierre Paul pyĕr pōl rwäyāˈ-kô-lärˈ [key], 1763–1845, French statesman and philosopher. After entering the law, he took part in the French Revolution and became a constitution...

Sarraut, Albert Pierre

(Encyclopedia)Sarraut, Albert Pierre älbĕrˈ pyĕr särōˈ [key], 1872–1962, French leader, a Radical Socialist. A member of the chamber of deputies from 1902, he was governor-general (1911–14, 1916–19) of...

crucible

(Encyclopedia)crucible, vessel in which a substance is heated to a high temperature, as for fusing or calcining. The necessary properties of a crucible are that it maintain its mechanical strength and rigidity at h...

Haber process

(Encyclopedia)Haber process häˈbər [key], commercial process for the synthesis of ammonia, NH3. Pure hydrogen and nitrogen gases are mixed in the appropriate proportion, heated to between 450℃ and 600℃, comp...

Kennedy, Adrienne

(Encyclopedia)Kennedy, Adrienne, 1931–, American playwright, b. Pittsburgh, Pa., as Adrienne Lita Hawkins, grad. Ohio State Univ. (B.A., 1953), studied Columbia (1954–56). Her usually one-act memory plays explo...

Buisson, Ferdinand Édouard

(Encyclopedia)Buisson, Ferdinand Édouard fĕrdēnäNˈ ādwärˈ büēsôNˈ [key], 1841–1932, French educator and Nobel Peace Prize winner. He studied at the Sorbonne and later taught (1866–70) in Switzerland...

Pertini, Sandro

(Encyclopedia)Pertini, Sandro (Alessandro Pertini), 1896–1990, Italian political leader and journalist, president of Italy (1978–1985). He served in World War I, then became a founding member of the Socialist p...

Carnot, Hippolyte

(Encyclopedia)Carnot, Hippolyte ēpôlētˈ kärnōˈ [key], 1801–88, French statesman; son of Lazare Carnot. He shared his father's exile after 1815 and returned to France in 1823. A follower of Claude Henri de ...

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