| Date | Person | Description |
|---|---|---|
| Béraud, Laurent | Occupied himself with astronomical observations, magnetism, meteorology, combustion in Lyon | |
| 1754 – 1757 | Campcerver, Ignacio | Teacher of mathematics, eclectic philosophy in Girona |
| Eschinardi, Francesco | Occupied himself with optics, civil architecture, military architecture, watchmaking, acoustics, cartography |