Johann Carl Friedrich Gauss (mathematician,
Born: 30 April 1777 in
Died: 23 February 1855 in
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
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
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.
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
married twice and had seven children.
by his granddd children.
See also other mathematicans' biographies
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Another genius Mozart in
250th birth year.
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150 th birth year.
Schumann's 150 th death year.