| Last Name | First Name | Year | City Sort descending | Section/Speaker Type |
|---|---|---|---|---|
| Gromoll | D. | 1970 | Nice | Geometry & Topology |
| Gromov | M. L. | 1970 | Nice | Geometry & Topology |
| Grothendieck | A. | 1970 | Nice | Algebra |
| Grushin | V. V. | 1970 | Nice | Analysis |
| Guillemin | Victor | 1970 | Nice | Geometry & Topology |
| Gunning | R. C. | 1970 | Nice | Analysis |
| Harder | G. | 1970 | Nice | Geometry & Topology |
| Hayman | W. K. | 1970 | Nice | Analysis |
| Hedrlín | Z. | 1970 | Nice | Algebra |
| Helgason | Sigurdur | 1970 | Nice | Geometry & Topology |
| Helson | Henry | 1970 | Nice | Analysis |
| Higman | D. G. | 1970 | Nice | Algebra |
| Hilton | Peter | 1970 | Nice | Algebra |
| Hironaka | Heisuke | 1970 | Nice | Analysis/Prize winner |
| Hörmander | Lars | 1970 | Nice | Plenary |
| Hsiang | Wu-Chung | 1970 | Nice | Geometry & Topology |
| Hunt | Richard A. | 1970 | Nice | Analysis |
| Ihara | Yasutaka | 1970 | Nice | Algebra |
| Iline | V. A. | 1970 | Nice | Analysis |
| Iwasawa | Kenkichi | 1970 | Nice | Algebra |
| Janko | Zvonimir | 1970 | Nice | Algebra |
| Kadison | Richard V. | 1970 | Nice | Analysis |
| Kajdan | D. | 1970 | Nice | Geometry & Topology |
| Karoubi | Max | 1970 | Nice | Geometry & Topology |
| Kato | Tosio | 1970 | Nice | Plenary |