MacTutor History of Mathematics: Jules Henri Poincaré - Biography, bibliography and poster. World of Scientific Biography: Poincaré, Henri - Concise biography with links to related topics. Two Philosophical Mistakes in Poincaré - Essay Kelley L. Ross of the Friesian School. The Relativity of Space - Full text of Poincare's 1897 popular explanation of his conception of space. Henri Poincaré - Short article on this thinker's mathematical legacy. Jules Henri Poincaré - Concise digest of his mathematical achievements. Science and Hypothesis - Full online text of this Poincare work, as published in English in 1905. Jules Henri Poincaré - Scholarly study of his life and thought by Mauro Murzi. From the Internet Encyclopedia of Philosophy. Henri Poincare - Concise biography noting this thinker's seminal importance for chaos theory.