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Galois, Évariste
(Encyclopedia)Galois, Évariste āvärēstˈ gälwäˈ [key], 1811–32, French mathematician. At the age of 17 he had evolved original concepts on the theory of algebra. He made important contributions to the theo...African music
(Encyclopedia)African music, the music of the indigenous peoples of Africa. Sub-Saharan African music has as its distinguishing feature a rhythmic complexity common to no other region. Polyrhythmic counterpoint, wh...Espinel, Vicente Martínez
(Encyclopedia)Espinel, Vicente Martínez vēthānˈtā märtēˈnāth āspēnĕlˈ [key], 1550–1624, Spanish writer, musician, and adventurer. Espinel was notorious for his dissolute life, which his holy vows, ta...Gould, Glenn
(Encyclopedia)Gould, Glenn, 1932–82, Canadian pianist and composer. A prodigy, he began study at the Royal Conservatory of Music in Toronto at 12. He was piano soloist with the Toronto Symphony at 14, and by the ...molecular orbital theory
(Encyclopedia)molecular orbital theory, detailed explanation of how electrons are distributed in stable molecules. In the simpler valence theory of the chemical bond, each atom in a molecule is assumed to retain it...quantum field theory
(Encyclopedia)quantum field theory, study of the quantum mechanical interaction of elementary particles and fields. Quantum field theory applied to the understanding of electromagnetism is called quantum electrodyn...games, theory of
(Encyclopedia)games, theory of, group of mathematical theories first developed by John Von Neumann and Oskar Morgenstern. A game consists of a set of rules governing a competitive situation in which from two to n i...Young-Helmholtz theory
(Encyclopedia)Young-Helmholtz theory: see vision. ...steady-state theory
(Encyclopedia)steady-state theory: see cosmology. ...big-bang theory
(Encyclopedia)big-bang theory: see cosmology.Browse by Subject
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