Riemann, Bernhard (1826-1866)
http://www-history.mcs.st-andrews.ac.uk/~history/Biographies/Riemann.htmlBrief biography of the mathematician who, before Einstein's birth, developed the geometrical tools that allowed Einstein and Gromann to formulate general relativity; from the MacTutor History of Mathematics Archive (University of St. Andrews).
Submitted in section: Physics: Relativity: People: Riemann, Bernhard (1826-1866)