Hilbert, David (1862-1943)
http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Hilbert.htmlBiographical sketch of the German mathematician who wrote down the first action principle for Einstein's general theory of relativity; from the MacTutor History of Mathematics Archive (University of St. Andrews).
Submitted in section: Physics: Relativity: People: Hilbert, David (1862-1943)