| Date | Person | Description |
|---|---|---|
| – 1764 | Béraud, Laurent | Director of astronomical observatory in Lyon |
| 1680 – 1682 | Bonfa, Jean | Teacher of hydrography in Marseille |
| 1742 – 1759 | de Bonnécamps, Joseph-Pierre | Teacher of hydrography in Quebec |
| 1766 – 1772 | Bošković, Rudjer | Construction supervisor of astronomical observatory in Milan |
| Chardin, Simon | Teacher of mathematics, hydrography in Nantes | |
| 1726 – | du Chatelard, Jean Jacques | Teacher of mathematics, hydrography in Toulon |
| Fournier, Georges | Occupied himself with hydrography, geography, navigation, trading, naval construction | |
| 1695 – 1625 | de Laval, Antoine | Teacher of mathematics, hydrography in Marseille, Toulon |
| Milliet de Chales, Claude-François | Teacher of hydrography in Marseille | |
| Pézenas, Esprit | Teacher of hydrography in Marseille | |
| Pickel, Ignaz | Occupied himself with astronomy, meteorology, forestry, topography, vehicular dynamics | |
| de la Roche, Jean | Teacher of hydrography in Brest, France | |
| Soares, Diogo | Occupied himself with astronomy, cartography, geography, natural sciences, botany, topography, fieldwork | |
| Taucher, François | Substitute director of astronomical observatory in Trnava | |
| 1773 | Taucher, François | Director of astronomical observatory in Budapest |
| Valois, Yves | Teacher of hydrography in La Rochelle |