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Apollonius of Perga

(Encyclopedia) Apollonius of Perga, fl. 247–205 b.c., Greek mathematician of the Alexandrian school. He produced a treatise on conic sections that included, as well as his own work, much of the work…

Munich, Technical University of

(Encyclopedia) Munich, Technical University of, at Munich, Germany; founded 1868 by King Ludwig II, acquired its present name 1970. It has three main campuses, with faculties of architecture,…

Leipzig, University of

(Encyclopedia) Leipzig, University of, at Leipzig, Germany; founded 1409 when German scholars withdrew from Charles Univ. It was reorganized in 1946, and in 1953 its name was changed officially to…

Torricelli, Evangelista

(Encyclopedia) Torricelli, EvangelistaTorricelli, Evangelistaāvänjālēˈstä tōr-rēchĕlˈlē [key], 1608–47, Italian physicist and mathematician. He was Galileo's secretary (1641–42) and his successor as…

Tait, Peter Guthrie

(Encyclopedia) Tait, Peter Guthrie, 1831–1901, Scottish physicist and mathematician. He was professor of natural philosophy at Edinburgh from 1860 and conducted important investigations in…

Mandelbrot, Benoît B.

(Encyclopedia) Mandelbrot, Benoît B.Mandelbrot, Benoît B.bənwäˈ mănˈdəlbrōˌ, Fr. mäNdĕlbrôˈ [key], 1924–2010, French-American mathematician, b. Warsaw, Poland, Ph.D. Univ. of Paris, 1952. Largely…

Riemann, Bernhard

(Encyclopedia) Riemann, Bernhard (Georg Friedrich Bernhard Riemann)Riemann, Bernhardgāˈôrk frēˈdrĭkh bĕrnˈhärt rēˈmän [key], 1826–66, German mathematician. He studied at the universities of Göttingen…

Dollond, John

(Encyclopedia) Dollond, JohnDollond, Johndŏlˈənd [key], 1706–61, English optician and inventor. A silk weaver, he taught himself languages, mathematics, and science, becoming a noted scholar as well…

Barrow, Isaac

(Encyclopedia) Barrow, Isaac, 1630–77, English mathematician and theologian. His method of finding tangents prefigured the differential calculus developed by Isaac Newton. He was professor of…

Euclid, Greek mathematician

(Encyclopedia) EuclidEuclidy&oomacr;ˈklĭd [key], fl. 300 b.c., Greek mathematician. Little is known of his life other than the fact that he taught at Alexandria, being associated with the school…