| Last Name | First Name | Year | City Sort descending | Section/Speaker Type |
|---|---|---|---|---|
| König | J. | 1904 | Heidelberg | Arithmetic and Algebra |
| Levi-Civita | T. | 1904 | Heidelberg | Applied Mathematics |
| Lilienthal | R. v. | 1904 | Heidelberg | Geometry |
| Loewy | A. | 1904 | Heidelberg | Arithmetic and Algebra |
| Loria | G. | 1904 | Heidelberg | History of Mathematics |
| Loria | G. | 1904 | Heidelberg | Pedagogy |
| Macaulay | F. S. | 1904 | Heidelberg | Geometry |
| Meyer | F. | 1904 | Heidelberg | Geometry |
| Meyer | F. | 1904 | Heidelberg | Pedagogy |
| 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 |