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Shapley, Lloyd Stowell

(Encyclopedia)Shapley, Lloyd Stowell shăpˈlē [key], 1923–2016, American mathematician and economist, b. Cambridge, Mass., Ph.D Princeton, 1953; son of Harlow Shapley. He worked at the RAND Corp. from 1954 to 1...

Martin, Frank

(Encyclopedia)Martin, Frank fräNk märtăNˈ [key], 1890–1974, Swiss composer, b. Geneva. He studied mathematics and physics at the Univ. of Geneva and studied composition and music with Joseph Lauber and Jaques...

Bolyai

(Encyclopedia)Bolyai bōˈlyoi [key], family of Hungarian mathematicians. The father, Farkas, or Wolfgang, Bolyai, 1775–1856, b. Bolya, Transylvania, was educated in Nagyszeben from 1781 to 1796 and studied in Ge...

Henry, Joseph

(Encyclopedia)Henry, Joseph, 1797–1878, American physicist, b. Albany, N.Y., educated at Albany Academy. He taught (1826–32) mathematics and natural philosophy at Albany Academy and was professor of natural phi...

Casanova de Seingalt, Giovanni Giacomo

(Encyclopedia)Casanova de Seingalt, Giovanni Giacomo kăzənōˈvə, Ital. jōvänˈnē jäˈkōmō käzänōˈvä dā sāngältˈ [key], 1725–98, Venetian adventurer, author, and celebrated libertine. He studied...

Babbitt, Milton

(Encyclopedia)Babbitt, Milton, 1916–2011, American composer, b. Philadelphia. Babbitt turned to music after studying mathematics. He studied composition with Roger Sessions at Princeton, and taught there from 193...

statistics

(Encyclopedia)statistics, science of collecting and classifying a group of facts according to their relative number and determining certain values that represent characteristics of the group. The most familiar stat...

Laplace, Pierre Simon, marquis de

(Encyclopedia)Laplace, Pierre Simon, marquis de pyĕr sēmôNˈ märkēˈ də läpläsˈ [key], 1749–1827, French astronomer and mathematician. At 18 he went to Paris, proved his gift for mathematical analysis to...

calculus of variations

(Encyclopedia)calculus of variations, branch of mathematics concerned with finding maximum or minimum conditions for a relationship between two or more variables that depends not only on the variables themselves, a...

proportion

(Encyclopedia)proportion, in mathematics, the equality of two ratios. Two pairs of quantities a,b and c,d are in proportion if their ratios a/b and c/d are equal, i.e., if the equation a/b=c/d is true. For example,...