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Berlioz, Louis-Hector

(Encyclopedia)Berlioz, Louis-Hector lwē ĕktôrˈ bĕrlyôzˈ [key], 1803–69, French romantic composer. He abandoned medical study to enter the Paris Conservatory as a composition student. In 1830 his Symphonie ...

Berthier, Louis Alexandre

(Encyclopedia)Berthier, Louis Alexandre lwē älĕksäNˈdrə bĕrtyāˈ [key], 1753–1815, marshal of France. He served in the American Revolution and in the French Revolutionary Wars, distinguishing himself unde...

Langevin, Sir Hector Louis

(Encyclopedia)Langevin, Sir Hector Louis ĕktôrˈ lwē läNzhəvăNˈ [key], 1826–1906, Canadian legislator, b. Quebec. A lawyer, he served in the Legislative Assembly (1857–67) and its successor, the House of...

Lacaille, Nicolas Louis de

(Encyclopedia)Lacaille, Nicolas Louis de nēkôläˈ lwē də läkäˈyə [key], 1713–62, French astronomer. As a result of his success in making meridional measurements in France under the patronage of the duke ...

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...

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...

La Trémoille, Louis de

(Encyclopedia)La Trémoille or La Trimouille, Louis de də lä trāmoiˈyə or trēmo͞oˈyə [key], 1460–1525, French general; grandson of Georges de La Trémoille. He commanded the army that attempted to secur...

Laveran, Charles Louis Alphonse

(Encyclopedia)Laveran, Charles Louis Alphonse shärl lwē älfôNsˈ lävəräNˈ [key], 1845–1922, French physician. While an army surgeon in Algiers he discovered (1880) the parasite that causes malaria and wro...

Leakey, Louis Seymour Bazett

(Encyclopedia)Leakey, Louis Seymour Bazett băzˈət, lēˈkē [key], 1903–72, British archaeologist and anthropologist of E Africa, b. Kabete, Kenya; father of Richard Leakey. His fossil discoveries in E Africa ...

Le Châtelier, Henri Louis

(Encyclopedia)Le Châtelier, Henri Louis äNrēˈ lwē lə shätəlyāˈ [key], 1850–1936, French industrial chemist. He made many contributions to industrial chemistry, but is best known for his work on the stru...