| Last Name | First Name Sort descending | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Cohen | H. | 2002 | Beijing | Number Theory |
| Davenport | H. | 1950 | Cambridge (USA) | Plenary |
| Davenport | H. | 1950 | Cambridge (USA) | |
| Davenport | H. | 1954 | Amsterdam | Algebra & Theory of Numbers |
| Esnault | H. | 2002 | Beijing | Algebraic & Complex Geometry |
| Fehr | H. | 1904 | Heidelberg | Pedagogy |
| Fehr | H. | 1908 | Rome | Philosophy, History, and Didactics |
| Fehr | H. | 1912 | Cambridge | Didactics |
| Fehr | H. | 1932 | Zurich | The International Commission on the Teaching of Mathematics |
| Freudenthal | H. | 1954 | Amsterdam | Geometry & Topology |
| Freudenthal | H. | 1983 | Warszawa | History & Education |
| Geppert | H. | 1928 | Bologna | Mechanics, Astronomy, Geodesy, Mathematical Physics, Theoretical Physics |
| Grad | H. | 1962 | Stockholm | Applied Mathematics, Mathematical Physics & Numerical Analysis |
| Grauert | H. | 1958 | Edinburgh | Classical & Functional Analysis |
| Grauert | H. | 1962 | Stockholm | Plenary |
| Grauert | H. | 1966 | Moskva | 1/2 hr. report |
| Hahn | H. | 1928 | Bologna | Analysis |
| Hamburger | H. | 1932 | Zurich | Geometry |
| Härlen | H. | 1928 | Bologna | Elementary Mathematics, Didactical Questions, Mathematical Logic |
| Hasse | H. | 1932 | Zurich | Algebra and Number Theory |
| Hasse | H. | 1936 | Oslo | Plenary |
| Hencky | H. | 1928 | Bologna | Engineering and Industrial Applications |
| Hida | H. | 1986 | Berkeley | Number Theory |
| Hironaka | H. | 1962 | Stockholm | Algebraic Geometry |
| Hopf | H. | 1950 | Cambridge (USA) |