| 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 |
| 1755 – 1773 | Scherffer, Karl | Teacher of mathematics |
| 1773 – 1783 | Scherffer, Karl | Teacher of higher mathematics in Vienna |