| Date | Person | Description |
|---|---|---|
| 1769 | Rostan, Alexandre Pancrace | Rostan and Łuskina carried out astronomical observations together in 1763, 1764, and 1769 |
| Rostan, Alexandre Pancrace | Bystrzycki studied mathematics and physics under Łuskina and Rostan | |
| Rostan, Alexandre Pancrace | Rostan taught mathematics to Koc |