| Date | Person | Description |
|---|---|---|
| Rogaliński, Józef | Gawroński studied mathematics and astronomy under Rogaliński in Poznań | |
| Rogaliński, Józef | Rogaliński studied mathematics under Grodzicki in Jarosław | |
| Rogaliński, Józef | Chmielewski died in the middle of the mathematics course he was giving in Poznań and was replaced by Rogalinski |