| Clarence Bicknell - Study pioneer | First survey of engravings in 1897. |
| Carlo Conti - Sculptor and archaeologist | Comprehensive studies between 1927 and 1942. |
| Henry de Lumley - Prehistory | Conducted research since 1967 (National Museum). |
| Emilia Masson - CNRS researcher | Cosmological interpretation of engravings (1990s). |