EntityQ125997· pop 6· linked from 6 articlesNorbert A'CampoSign in to savemathematicianConnectionsWayback MachineEntitySwissEntityMathematics Genealogy ProjectEntityInternational Mathematical UnionEntityUniversity of Paris-SudEntityAmerican Mathematical SocietyEntityMacTutor History of Mathematics archiveEntitysingularity theoryEntitySwiss Mathematical SocietyEntityCategories1941 births20th-century Swiss mathematicians21st-century Swiss mathematiciansFellows of the American Mathematical SocietyLiving people