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Du Châtelet-Lomont, Gabrielle Émilie le Tonnelier de Breteuil, marquise

(Encyclopedia)Du Châtelet-Lomont, Gabrielle Émilie le Tonnelier de Breteuil, marquise gäbrēĕlˈ āmēlēˈ lə tōnəlyāˈ də brətöˈyə märkēzˈ dü shätəlāˈ-lōmōNˈ [key], 1706–49, French mathe...

Brewster, Sir David

(Encyclopedia)Brewster, Sir David, 1781–1868, Scottish physicist and natural philosopher. He is noted especially for his research into the polarization of light (the invention of the kaleidoscope was one result o...

William II, king of Sicily

(Encyclopedia)William II (William the Good), c.1153–1189, king of Sicily (1166–89), son and successor of William I. He married (1177) Joan, daughter of Henry II of England. As an ally of Pope Alexander III and ...

Wistar, Caspar

(Encyclopedia)Wistar, Caspar wĭsˈtər [key], 1761–1818, American physician, b. Philadelphia, M.D. Univ. of Edinburgh, 1786; grandson of Caspar Wistar (1696–1752), early Pennsylvania glassmaker. He taught (178...

intelligence

(Encyclopedia)intelligence, in psychology, the general mental ability involved in calculating, reasoning, perceiving relationships and analogies, learning quickly, storing and retrieving information, using language...

Klamath, indigenous people of North America

(Encyclopedia)Klamath klămˈəth [key], Native North Americans who in the 19th cent. lived in SW Oregon. They speak a language of the Sahaptin-Chinook branch of the Penutian linguistic stock (see Native American l...

Bonhoeffer, Dietrich

(Encyclopedia)Bonhoeffer, Dietrich dēˈtrĭkh bônˈhöfər [key], 1906–45, German Protestant theologian. Bonhoeffer, influenced early by the thinking of the young Karl Barth, urged a conformation to the form of...

Lamb, John

(Encyclopedia)Lamb, John, 1735–1800, American Revolutionary leader, b. New York City. Prior to the Revolution he was a leader of the Sons of Liberty in New York and helped form the New York committee of correspon...

Rashi

(Encyclopedia)Rashi räˈshē [key], 1040–1105, Jewish exegete, grammarian, and legal authority, b. Troyes, France. The name he is known by is an acronym of Rabbi Solomon bar Isaac. He studied in Worms and Mainz,...

Constantinus Africanus

(Encyclopedia)Constantinus Africanus kŏnˌstəntīˈnəs ăfrĭkāˈnəs [key], c.1010–1087, medical translator and Benedictine monk. The life of Constantinus before his arrival at Salerno c.1070 is obscure. Acc...