Pierre Berthelot

Pierre Berthelot
Berthelot in 1981
Born(1943-01-27)27 January 1943
Died7 December 2023(2023-12-07) (aged 80)
NationalityFrench
Scientific career
FieldsMathematics
InstitutionsUniversity of Rennes
Doctoral advisorAlexander Grothendieck

Pierre Berthelot (French: [bɛʁtəlo]; 27 January 1943 – 7 December 2023) was a French mathematician at the University of Rennes. He developed crystalline cohomology and rigid cohomology.