| Last Name Sort descending | First Name | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Hadamard | J. | 1912 | Cambridge | Arithmetic, Algebra, Analysis |
| Hagen | J.G. | 1912 | Cambridge | Mechanics, Physical Mathematics, Astronomy |
| Harding | P.J. | 1912 | Cambridge | Philosophy and History |
| Hardy | G.H. | 1912 | Cambridge | Arithmetic, Algebra, Analysis |
| Hatzidakis | N. | 1912 | Cambridge | Didactics |
| Hatzidakis | N. | 1912 | Cambridge | Geometry |
| Hill | M.J.M. | 1912 | Cambridge | Arithmetic, Algebra, Analysis |
| Hill | M.J.M. | 1912 | Cambridge | Didactics |
| Hostinsky | B. | 1912 | Cambridge | Geometry |
| Hudson | H.P. | 1912 | Cambridge | Geometry |
| Huntington | E.V. | 1912 | Cambridge | Philosophy and History |
| Itelson | G. | 1912 | Cambridge | Philosophy and History |
| Janiszewski | Z. | 1912 | Cambridge | Geometry |
| Jourdain | P.E.B. | 1912 | Cambridge | Arithmetic, Algebra, Analysis |
| Jourdain | P.E.B. | 1912 | Cambridge | Philosophy and History |
| Kármán | Th. Von | 1912 | Cambridge | Mechanics, Physical Mathematics, Astronomy |
| Kasner | E. | 1912 | Cambridge | Geometry |
| Koch | H. Von | 1912 | Cambridge | Arithmetic, Algebra, Analysis |
| König | D. | 1912 | Cambridge | Geometry |
| Kürschák | J. | 1912 | Cambridge | Arithmetic, Algebra, Analysis |
| Lagos Campos | B. | 1912 | Cambridge | Didactics |
| Lamb | H. | 1912 | Cambridge | Mechanics, Physical Mathematics, Astronomy |
| Lamor | Sir J. | 1912 | Cambridge | Plenary |
| Landau | E. | 1912 | Cambridge | Plenary |
| Lehfeldt | R.A. | 1912 | Cambridge | Economics, Actuarial Science, Statistics |