| Date | Person | Description |
|---|---|---|
| 1798 – 1800 | Połoński, Maurycy | Teacher of French in Daugavpils |
| 1802 – 1803 | Połoński, Maurycy | Teacher of French in Polotsk |
| 1803 – 1804 | Połoński, Maurycy | Teacher of French in Vitebsk |
| 1809 – 1810 | Połoński, Maurycy | Teacher of physics, architecture in Mogilev |