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triangle , in mathematics
(Encyclopedia)triangle, in mathematics, plane figure bounded by three straight lines, the sides, which intersect at three points called the vertices. Any one of the sides may be considered the base of the triangle....Darwinism
(Encyclopedia)Darwinism, concept of evolution developed in the mid-19th cent. by Charles Robert Darwin. Darwin's meticulously documented observations led him to question the then current belief in special creation ...matter
(Encyclopedia)matter, anything that has mass and occupies space. Matter is sometimes called koinomatter (Gr. koinos=common) to distinguish it from antimatter, or matter composed of antiparticles. The atomic th...Perlman, Selig
(Encyclopedia)Perlman, Selig, 1888–1959, American economist, b. Bialystok, Poland. His parents were active in the Zionist and labor movements of Eastern Europe. Perlman emigrated to the United States in 1918, whe...Kayser, Heinrich Gustav Johannes
(Encyclopedia)Kayser, Heinrich Gustav Johannes hīnˈrĭkh go͝osˈtäf yōhänˈəs kīˈzər [key], 1853–1940, German physicist. He was professor at Bonn from 1894 to 1920. He is known for his work in sound and...Douglas, Clifford Hugh
(Encyclopedia)Douglas, Clifford Hugh, 1879–1952, English engineer and social economist, educated at Cambridge. Author of the economic theory of Social Credit, he became (1935) chief reconstruction adviser to the ...Espy, James Pollard
(Encyclopedia)Espy, James Pollard ĕsˈpē [key], 1785–1860, American meteorologist. He developed a convection theory of storms, explaining it in 1836 before the American Philosophical Society and in 1840 before ...Gramme, Zénobe-Théophile
(Encyclopedia)Gramme, Zénobe-Théophile zānôbˈ tāôfēlˈ gräm [key], 1826–1901, Belgian electrical engineer. While working as a model maker for a Parisian manufacturer of electrical devices, Gramme became ...Gobineau, Joseph Arthur, comte de
(Encyclopedia)Gobineau, Joseph Arthur, comte de zhôzĕfˈ ärtürˈ kôNt də gōbēnōˈ [key], 1816–82, French diplomat and man of letters. The chief early French proponent of the theory of Nordic supremacy, h...Hildebrand, Adolf von
(Encyclopedia)Hildebrand, Adolf von äˈdôlf fən hĭlˈdəbränt [key], 1847–1921, German sculptor and author. He studied in Munich and in Italy, where he spent 18 years. He is best known for his dignified publ...Browse by Subject
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