| Last Name | First Name | Year Sort descending | City | Section/Speaker Type |
|---|---|---|---|---|
| Minkowski | H. | 1904 | Heidelberg | Arithmetic and Algebra |
| Mittag-Leffler | G. | 1904 | Heidelberg | Analysis |
| Müller | E. | 1904 | Heidelberg | Arithmetic and Algebra |
| Painlevé | P. | 1904 | Heidelberg | Plenary |
| Prandtl | L. | 1904 | Heidelberg | Applied Mathematics |
| Rohn | K. | 1904 | Heidelberg | Geometry |
| Scheffers | G. | 1904 | Heidelberg | Geometry |
| Schlesinger | L. | 1904 | Heidelberg | History of Mathematics |
| Schlesinger | L. | 1904 | Heidelberg | Analysis |
| Schönflies | A. | 1904 | Heidelberg | Geometry |
| Schotten | H. | 1904 | Heidelberg | Pedagogy |
| Segre | C. | 1904 | Heidelberg | Plenary |
| Simon | M. | 1904 | Heidelberg | History of Mathematics |
| Simon | M. | 1904 | Heidelberg | Pedagogy |
| Sommerfeld | A. | 1904 | Heidelberg | Applied Mathematics |
| Sourek | A. v. | 1904 | Heidelberg | Pedagogy |
| Stäckel | P. | 1904 | Heidelberg | Pedagogy |
| Stephanos | K. | 1904 | Heidelberg | Arithmetic and Algebra |
| Study | E. | 1904 | Heidelberg | Geometry |
| Suter | H. | 1904 | Heidelberg | History of Mathematics |
| Tannery | P. | 1904 | Heidelberg | History of Mathematics |
| Thieme | H. | 1904 | Heidelberg | Pedagogy |
| Vailati | G. | 1904 | Heidelberg | History of Mathematics |
| Volterra | V. | 1904 | Heidelberg | Applied Mathematics |
| Voronoï | G. | 1904 | Heidelberg | Arithmetic and Algebra |