Premise: Jules Henri Poincaré ( [ ʒyl ɑ̃ʁi pwɛ̃kaʁe ] ; 29 April 1854 -- 17 July 1912 ) was a French mathematician , theoretical physicist , engineer , and philosopher of science . He is often described as a polymath , and in mathematics as The Last Universalist by Eric Temple Bell , since he excelled in all fields of the discipline as it existed during his lifetime . As a mathematician and physicist , he made many original fundamental contributions to pure and applied mathematics , mathematical physics , and celestial mechanics . He was responsible for formulating the Poincaré conjecture , which was one of the most famous unsolved problems in mathematics until it was solved in 2002 -- 2003 by Grigori Perelman . The Poincaré group used in physics and mathematics was named after him .
Hypothesis: Henri Poincare was a mathematician.
Label: ENTAILMENT