| Last Name | First Name | Year Sort ascending | City | Section/Speaker Type |
|---|---|---|---|---|
| Padoa | A. | 1900 | Paris | Geometry |
| Padoa | Alessandro | 1900 | Paris | Number Theory and Algebra |
| Perrin | Raoul | 1900 | Paris | Number Theory and Algebra |
| Poincaré | Henri | 1900 | Paris | Plenary |
| Sousloff | G. | 1900 | Paris | Mechanics |
| Stephanos | C. | 1900 | Paris | Geometry |
| Stephanos | C. | 1900 | Paris | Number Theory and Algebra |
| Stringham | Irving | 1900 | Paris | Geometry |
| Tikhomandritzky | M. | 1900 | Paris | Analysis |
| Vaes | F.-J. | 1900 | Paris | Geometry |
| Veronese | G. | 1900 | Paris | History and Math Education |
| Volterra | V. | 1900 | Paris | Mechanics |
| Volterra | Vito | 1900 | Paris | Plenary |
| von Koch | Helge | 1900 | Paris | Number Theory and Algebra |
| Andrade | J. | 1897 | Zurich | Geometry |
| Autonne | L. | 1897 | Zurich | Analysis and Function Theory |
| Borel | É. | 1897 | Zurich | Analysis and Function Theory |
| Bougaïev | N. | 1897 | Zurich | Analysis and Function Theory |
| Brioschi | F. | 1897 | Zurich | Analysis and Function Theory |
| Brunn | H. | 1897 | Zurich | Geometry |
| Burali-Forti | C. | 1897 | Zurich | Geometry |
| de la Vallée Poussin | Ch. | 1897 | Zurich | Arithmetic and Algebra |
| Eneström | G. | 1897 | Zurich | History and Biography |
| Enriques | F. | 1897 | Zurich | Arithmetic and Algebra |
| Fano | G. | 1897 | Zurich | Geometry |