1810-1893 German mathematician who worked on the theory of functions and developed the concept of "ideal numbers," which played a major role in most subsequent attempts to solve Fermat's Last Theorem. This work also proved...

Ernst Eduard Kummer (29 January 1810 - 14 May 1893) was a German mathematician. Highly skilled in applied mathematics, Kummer trained German army officers in ballistics; afterwards, he taught for 10 years in a Gymnasium (the German equivalent of high...