Johann Carl Friedrich Gauss (mathematician, astronomer, physicist)

Born: 30 April 1777 in Brunswick, Germany

Died: 23 February 1855 in Göttingen, Germany

C.F.Gauss is one of the greatest mathematicians of all time. Gauss was born to a poor

family. His talents were recognized at an early age. He received scholarship which helped him devote himself to research at college and later life. He rediscovered many important results at college and

in 1796 showed which regular polygons can be drawn by only ruler and compass. This was a centuries old open problem. His Phd thesis was about fundamental therem of algebra. He gave many proofs of this theoren during his life and clarified the notion of complex numbers (a+bi, where i is square root of -1 ) . Gauss made many important contributions to number theory. He formulated prime number theorem, which states that number of primes less than x is assimptotically ~x/logx. (error term is related to famous Riemann hypothesis which might have been recently proven)

He published Disquisitiones Arithmeticae in 1801, which contained a his proof of quadratic reciprocity. Quadratic reciprocity is a relation between Legendre symbols of two prime numbers.

In 1807 he became director of observatory in Göttingen. In 1809 he pusblished an important work on astronomy. His work on possibility of noneuclidean geometry later led to discovery of

hyperbolic geometry by Bolyai, son of his friend. He introduced gaussian gravitational constant, least squares method, normal (Gaussian ) distribution. In 1818 his work on geodesy led to notion of curvature and he proved two surfaces are isometric if and only if there is a map between them which preserves curvature. In his later life (1831) he collaborated with W. Weber to do important work on electricity and magnetism.

Gauss was conservative in his views and usually worked alone. Most of his work was not published and were rediscovered by others. Although he didn't like teaching some of his students also became famous mathematicians. Gauss married twice and had seven children.

http://www.geocities.com/RainForest/Vines/2977/gauss/english.html Detailed info.

http://www.mathsong.com/cfgauss by his granddd children.

http://www.cartage.org.lb/en/themes/Sciences/Physics/Electromagnetism/Electrostatics/Gaussslaw/Gauss/Gauss.htm

http://en.wikipedia.org/wiki/Carl_Friedrich_Gauss#Personal_life

http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Gauss.html See also other mathematicans' biographies

http://en.wikipedia.org/wiki/Topics_named_after_Carl_Friedrich_Gauss What is Gaussian.

http://scienceworld.wolfram.com/biography/Gauss.html

http://thales.cica.es/rd/Recursos/rd99/ed99-0289-02/biografias/cfgauss.html

gauss

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Another genius Mozart in 250th birth year.

2006 is Godel's 100 th, Freud's 150 th birth year. Schumann's 150 th death year.

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