doctoral_advisor death_date death_place birth_place nationality fields birth_date known_for image article_title name alma_mater
charles hermite 09 july 1953 aix-en-provence abbeville french mathematics 17 december 1863 padé approximant padé table henri padé.jpeg henri padé
 henri padé École normale supérieure
henri padé

henri eugène padé -lrb- ; december 17 , 1863 -- july 9 , 1953 -rrb- was a french mathematician , who is now remembered mainly for his development of padé approximation techniques for functions using rational functions .
he was educated at École normale supérieure in paris .
he then spent a year at leipzig and göttingen .
back in france in 1890 , he taught in lille , while preparing his doctorate under charles hermite .
his doctoral thesis described what is now known as the padé approximant .
he proceeded as assistant professor in université lille nord de france , where he succeeded Émile borel as a professor of rational mechanics at École centrale de lille until 1902 .
he then moved to université de poitiers in 1902 ; he became recteur of académie de besançon and dijon in 1923 .
he retired as recteur of académie de aix-marseilles in 1934 .
