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Riemann, Bernhard

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

Steiner, Jakob

(Encyclopedia)Steiner, Jakob yäˈkôp shtīˈnər [key], 1796–1863, Swiss mathematician. He was largely self-taught and was professor of geometry at the Univ. of Berlin from 1834. A pioneer in the development of...

Dernburg, Bernhard

(Encyclopedia)Dernburg, Bernhard bĕrnˈhärt dĕrnˈbo͝ork [key], 1865–1937, German financier and public official. As colonial director (1906) and colonial secretary (1907–10), he was responsible for reforms ...

Bernhard, Thomas

(Encyclopedia)Bernhard, Thomas, 1931–89, Austrian novelist and playwright. A literary descendent of Kafka and Beckett, Bernhard wrote dense, intensely pessimistic and provocative works. Typically, his novels are ...

Euclid, Greek mathematician

(Encyclopedia)Euclid yo͞oˈklĭd [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 that grew up there in the l...

Basedow, Johann Bernhard

(Encyclopedia)Basedow, Johann Bernhard yōhänˈ bĕrnˈhärt bäˈzədō [key], 1723–90, German educator, b. Hamburg, educated in Hamburg and at the Univ. of Leipzig. Later he taught in Denmark (1753) and German...

Ingemann, Bernhard Severin

(Encyclopedia)Ingemann, Bernhard Severin bĕrnˈhärt sĕvˈərēn ĭngˈəmän [key], 1789–1862, Danish poet, playwright, and novelist. As teacher and director of Soro Academy, Ingemann adopted the folk high sch...

Nobel, Alfred Bernhard

(Encyclopedia)Nobel, Alfred Bernhard älˈfrĕd bĕrnˈhärd nōbĕlˈ [key], 1833–96, Swedish chemist and inventor. Educated in St. Petersburg, Russia, he traveled as a youth and returned to St. Petersburg in 18...

Fernow, Bernhard Eduard

(Encyclopedia)Fernow, Bernhard Eduard fûrˈnō [key], 1851–1923, American forester, b. Germany. In 1876 he emigrated to the United States and became a leader in the movement to protect forests against fire and e...

non-Euclidean geometry

(Encyclopedia)non-Euclidean geometry, branch of geometry in which the fifth postulate of Euclidean geometry, which allows one and only one line parallel to a given line through a given external point, is replaced b...

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