| Date | Person | Description |
|---|---|---|
| Fröhlich, Erasmus | Studied Hebrew, Greek, Latin in Leoben | |
| Fröhlich, Erasmus | Teacher of mathematics, Hebrew, Greek, history, geography, heraldry, numismatics in Vienna | |
| 1758 – 1772 | Khell von Khellburg, Josef | Teacher of numismatics in Vienna |
| Khell von Khellburg, Josef | Teacher of physics, Hebrew, experimental physics, Greek, ethics, logic, metaphysics, scripture |