| Last Name | First Name | Year | City Sort ascending | Section/Speaker Type |
|---|---|---|---|---|
| Roquette | P. | 1958 | Edinburgh | Algebra & Theory of Numbers |
| Roth | K. F. | 1958 | Edinburgh | Plenary/Prize winner |
| Rutishauser | H. | 1958 | Edinburgh | Applied Mathematics, Mathematical Physics & Numerical Analysis |
| Samuel | P. | 1958 | Edinburgh | Algebraic & Differential Geometry |
| Savage | L. J. | 1958 | Edinburgh | Probability & Statistics |
| Schiffer | M. | 1958 | Edinburgh | Plenary |
| Segre | B. | 1958 | Edinburgh | Algebraic & Differential Geometry |
| Shimura | G. | 1958 | Edinburgh | Algebra & Theory of Numbers |
| Steenrod | N. E. | 1958 | Edinburgh | Plenary |
| Sz.-Nagy | B. | 1958 | Edinburgh | Classical & Functional Analysis |
| Temple | G. | 1958 | Edinburgh | Plenary |
| Thom | R. | 1958 | Edinburgh | Plenary/Prize winner |
| Uhlenbeck | G. E. | 1958 | Edinburgh | Plenary |
| van Wijngaarden | A. | 1958 | Edinburgh | Applied Mathematics, Mathematical Physics & Numerical Analysis |
| Vladimirov | V. S. | 1958 | Edinburgh | Plenary |
| Wang | H. C. | 1958 | Edinburgh | Algebraic & Differential Geometry |
| Wielandt | H. | 1958 | Edinburgh | Plenary |
| Abellanas | P. | 1950 | Cambridge (USA) | |
| Albert | A. A. | 1950 | Cambridge (USA) | Plenary |
| Alexander | H.W. | 1950 | Cambridge (USA) | Geometry and Topology |
| Andreotti | A. | 1950 | Cambridge (USA) | |
| Arens | R. | 1950 | Cambridge (USA) | |
| Arf | C. | 1950 | Cambridge (USA) | |
| Bang | T. | 1950 | Cambridge (USA) | |
| Barsotti | I. | 1950 | Cambridge (USA) |