![[Georg Friedrich Bernhard Riemann]](ncd05166.jpg "??kb jpg detail of a photograph of Georg Friedrich Bernhard Riemann taken in 1868, photographer unknown; swiped off the Wikipedia web site; please do not write to ask about the image")
(17 September 1826 - 20 June 1866)
Christian mathematician.
The recognized master in the study of surfaces.
Founded the surfaces designated by his name, and a method of non-Euclidean geometry.
Put the definite integral on a plane independent of differential calculus.
Established the basis of a theory of the functions of complex variables.
New Catholic Dictionary
