- Category : 1947-births
- Type : MGE
- Profile : 2/4 - Hermit / Opportunist
- Definition : Split - Small (12,36)
- Incarnation Cross : RAX Tension 1
French mathematician, currently Professor at the Collège de France, IHÉS, The Ohio State University and Vanderbilt University.
He was an Invited Professor at the Conservatoire national des arts et métiers (2000).