| Date | Person | Description |
|---|---|---|
| 1770 – | Pickel, Ignaz | Teacher of mathematics, physics, astronomy in Dillingen an der Donau |
| Pickel, Ignaz | Teacher of mathematics, sciences in Eichstätt | |
| Pickel, Ignaz | Occupied himself with astronomy, meteorology, forestry, topography, vehicular dynamics | |
| 1713 – 1715 | Soares, Diogo | Teacher of mathematics in Coimbra |
| 1721 – 1722 | Soares, Diogo | Teacher of mathematics in Lisbon |
| Soares, Diogo | Occupied himself with astronomy, cartography, geography, natural sciences, botany, topography, fieldwork |