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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...

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...

Louis II, French king

(Encyclopedia)Louis II or Louis the Stammerer, 846–79, French king. He succeeded (877) his father, Emperor of the West Charles II, as king. On Louis's death his kingdom was divided between his sons Carloman and L...

Louis III, French king

(Encyclopedia)Louis III, c.863–882, French king, son of King Louis II. He became joint ruler with his brother Carloman on the death of Louis II (879), despite the attempts of Louis the Younger to become French ki...

Louis IV, French king

(Encyclopedia)Louis IV or Louis d'Outremer lwē do͞otrəmĕrˈ [key] [Fr.,=Louis from overseas], 921–54, French king (936–54), son of King Charles III (Charles the Simple). He spent his youth as an exile in En...

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...

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