| Date | Person | Description |
|---|---|---|
| 1763 – 1767 | Gruber, Gabriel | Studied theology in Graz |
| 1744 – 1748 | Walcher, Joseph Andreas | Studied theology in Vienna |
| 1743 – 1747 | Ximenes, Leonardo | Studied theology in Rome |
| Ximenes, Leonardo | Ximenes dedicated himself to the application of geometry to physics, mechanics, hydraulics, optics, astronomy, geography, architecture, and ballistics |