| Last Name | First Name Sort descending | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Marcolongo | R. | 1908 | Rome | Philosophy, History, and Didactics |
| Marcolongo | R. | 1908 | Rome | Mechanics, Physical Mathematics, Astronomy |
| Marcolongo | R. | 1928 | Bologna | Philosophy, History of Mathematics |
| Marcolongo | R. | 1928 | Bologna | Elementary Mathematics, Didactical Questions, Mathematical Logic |
| Longo | Roberto | 1994 | Zurich | Mathematical Physics |
| Marcolongo | Roberto | 1928 | Bologna | Plenary |