| Date | Person | Description |
|---|---|---|
| Cysat, Johann Baptista | Studied mathematics, astronomical observations in Ingolstadt | |
| Krüger, Oswald | Studied mathematics, astronomy, architecture in Rome | |
| 1622 – 1623 | Krüger, Oswald | Studied philosophy, mathematics in Rome |
| 1623 – 1625 | Krüger, Oswald | Studied philosophy, mathematics in Nesvizh |