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Rameau, Jean Philippe

(Encyclopedia)Rameau, Jean Philippe zhäN fēlēpˈ rämōˈ [key], 1683–1764, French composer and theorist. He was organist at the cathedral in Clermont and at Notre Dame de Dijon. In the early part of his caree...

Monboddo, James Burnett, Lord

(Encyclopedia)Monboddo, James Burnett, Lord, 1714–99, English writer, b. Scotland. A pioneer in anthropology, he wrote Of the Origin and Progress of Language (6 vol., 1774–92), in which he anticipated Darwin an...

Kahn, Herman

(Encyclopedia)Kahn, Herman kän [key], 1922–83, American military strategist. b. Bayonne, N.J. After graduate work in physics at the California Institute of Technology, he joined the Rand Corporation. Unlike scho...

Darwin, Charles Robert

(Encyclopedia)Darwin, Charles Robert, 1809–82, English naturalist, b. Shrewsbury; grandson of Erasmus Darwin and of Josiah Wedgwood. He firmly established the theory of organic evolution known as Darwinism. He st...

quantum electrodynamics

(Encyclopedia)quantum electrodynamics (QED), quantum field theory that describes the properties of electromagnetic radiation and its interaction with electrically charged matter in the framework of quantum theory. ...

Compton effect

(Encyclopedia)Compton effect [for A. H. Compton], increase in the wavelengths of X rays and gamma rays when they collide with and are scattered from loosely bound electrons in matter. This effect provides strong ve...

Miller, George Abram

(Encyclopedia)Miller, George Abram, 1863–1951, American mathematician, b. Lehigh co., Pa., grad. Muhlenberg College (B.A., 1887), Ph.D. Cumberland Univ., 1893. He was professor at the Univ. of Illinois (1907–31...

de Vries, Hugo

(Encyclopedia)de Vries, Hugo hüˈgō də vrēs [key], 1848–1935, Dutch botanist. He opened a new approach to the study of evolution by using the experimental method to investigate the processes of evolution. His...

Calderón, Alberto

(Encyclopedia)Calderón, Alberto käldārōnˈ [key], 1920–98, Argentine mathematician, b. Mendoza, Argentina, grad. Univ. of Buenos Aires (B.S. 1947), Univ. of Chicago (Ph.D. 1950). He is known for his contribut...

Malus, Étienne Louis

(Encyclopedia)Malus, Étienne Louis ātyĕnˈ lwē mälüsˈ [key], 1775–1812, French artillery officer and physicist. In 1810 he stated his discovery of the polarization of light by reflection and published a me...