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Steichen, Edward

(Encyclopedia)Steichen, Edward stīˈkən [key], 1879–1973, American photographer, b. Luxembourg, reared in Hancock, Mich. Steichen is credited with the transformation of photography into an art form. At 16, whil...

Piaget, Jean

(Encyclopedia)Piaget, Jean zhäNpyäˈjā [key], 1896–1980, Swiss psychologist, known for his research in developmental psychology. After receiving a degree in zoology from the Univ. of Neuchâtel (1918), Piaget'...

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...

Du Pont

(Encyclopedia)Du Pont do͞opŏnt [key], family notable in U.S. industrial history. The Du Pont family's importance began when Eleuthère Irénée Du Pont established a gunpowder mill on the Brandywine River in N De...

Conkling, Roscoe

(Encyclopedia)Conkling, Roscoe, 1829–88, American politician, b. Albany, N.Y. On his admission to the bar in 1850, he was immediately appointed district attorney of Albany. The son of Alfred Conkling, Congressman...

Morristown

(Encyclopedia)Morristown. 1 Town (1990 pop. 16,189), seat of Morris co., N N.J., on the Whippany River; settled c.1710, inc. 1865. Although chiefly residential, it has diverse manufactures, including electronic pro...

Kossuth, Louis

(Encyclopedia)Kossuth, Louis kŏso͞othˈ [key], Hung. Kossuth Lajos, 1802–94, Hungarian revolutionary hero. Born of a Protestant family and a lawyer by training, he entered politics as a member of the diet and s...

Triangle Waist Company

(Encyclopedia)Triangle Waist Company, often called the Triangle Shirtwaist Co., manufacturers of women's cotton and linen blouses. Located in lower Manhattan in the early 20th cent., on Mar. 25, 1911 it was the sit...

cryptography

(Encyclopedia)cryptography krĭptŏgˈrəfē [key] [Gr.,=hidden writing], science of secret writing. There are many devices by which a message can be concealed from the casual reader, e.g., invisible writing, but t...

epistemology

(Encyclopedia)epistemology ĭpĭsˌtəmŏlˈəjē [key] [Gr.,=knowledge or science], the branch of philosophy that is directed toward theories of the sources, nature, and limits of knowledge. Since the 17th cent. e...