Poincar, Henri (1854-1912)
http://www-groups.dcs.st-and.ac.uk/~history/Biographies/Poincare.htmlBiographical sketch of the French physicist who developed many of the concepts of special relativity before Einstein's publication; from the MacTutor History of Mathematics Archive (University of St. Andrews).
Submitted in section: Physics: Relativity: People: Poincar, Henri (1854-1912)