| Date | Person | Description |
|---|---|---|
| Scherffer, Karl | Teacher of mathematics in Graz | |
| 1750 – 1755 | Scherffer, Karl | Teacher of mathematics, logic, metaphysics, general physics, special physics in Vienna |
| 1753 | Walcher, Joseph Andreas | Teacher of general physics, particular physics in Linz |
| 1756 – 1773 | Walcher, Joseph Andreas | Teacher of mathematics, experimental mechanics in Vienna |