Title: Henri Poincaré
Subjects: History of Mathematical Sciences, Engineering, Astrophysics and Astroparticles, Mathematics, Engineering, general, Mathematics, general, Astrophysics, Mathematicians, Astronomy, Physicists, Biography, Pre-Calculus, Reference, Science & Technology, BIOGRAPHY & AUTOBIOGRAPHY, MATHEMATICS, Essays, Physicists, biography, Mathematicians, biography, France, biography, Poincare, henri, 1854-1912, Geometry, foundations