| Last Name | First Name Sort descending | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Brusotti | L. | 1928 | Bologna | Geometry |
| Carleson | L. | 1962 | Stockholm | Analysis |
| Carleson | L. | 1966 | Moskva | Plenary |
| Cesari | L. | 1954 | Amsterdam | Analysis |
| Chwistek | L. | 1928 | Bologna | Elementary Mathematics, Didactical Questions, Mathematical Logic |
| Clozel | L. | 1986 | Berkeley | Lie Groups and Representations |
| Collatz | L. | 1954 | Amsterdam | Mathematical Physics & Applied Mathematics |
| Crelier | L. | 1928 | Bologna | Geometry |
| De Branges | L. | 1986 | Berkeley | Plenary |
| Des Lauriers | L. | 1932 | Zurich | Analysis |
| Donati | L. | 1928 | Bologna | Mechanics, Astronomy, Geodesy, Mathematical Physics, Theoretical Physics |
| Ehrenpreis | L. | 1962 | Stockholm | Analysis |
| Faddeev | L. | 2002 | Beijing | Plenary |
| Fantappiè | L. | 1928 | Bologna | Analysis |
| Fantappiè | L. | 1932 | Zurich | Analysis |
| Féraud | L. | 1932 | Zurich | Mechanics and Mathematical Physics |
| Föppl | L. | 1912 | Cambridge | Mechanics, Physical Mathematics, Astronomy |
| Galvani | L. | 1928 | Bologna | Statistics, Mathematical Economics, Probability Calculus, Actuarial Sciences |
| Gårding | L. | 1958 | Edinburgh | Plenary |
| Gårding | L. | 1970 | Nice | Analysis |
| Godeaux | L. | 1928 | Bologna | Geometry |
| Godeaux | L. | 1932 | Zurich | Geometry |
| Gottsche | L. | 2002 | Beijing | Algebraic & Complex Geometry |
| Harrington | L. | 1978 | Helsinki | Mathematical logic & foundations of mathematics |
| Hörmander | L. | 1962 | Stockholm | Analysis/Prize winner |