| Léonie Duchet (1849-1931) - Keepers of collections and patrons | Initiator of the restoration in 1910. |
| Émile Zèle (1862-1934) - Amateur archaeologist and owner | Active co-worker. |
| André Guy (1913-2008) - History and Owner | President of the Friends of Montluçon (1950-1993). |