| Date | Person | Description |
|---|---|---|
| Cibot, Pierre-Martial | Occupied himself with astronomy, mechanics, medicine, chemistry, botany, geology, mineralogy, zoology, Chinese writing system | |
| 1784 – 1800 | Gruber, Gabriel | Teacher of architecture, agronomy in Polotsk |
| Lippay, János | Occupied himself with botany, horticulture, agronomy |