There are 4 mathematicians whose last name begin with GEIL.
| Geil, Olav | ||
| Geilen, Vitalis | Georg-August-Universität Göttingen | 1917 |
| Geilenkothen, Andre | Gottfried Wilhelm Leibniz Universität Hannover | 2004 |
| Geilfus, Johann | Friedrich-Schiller-Universität Jena | 1612 |