| Paul Tournon - Architect | Manufacturer of the concrete church. |
| Carlo Sarrabezolles - Sculptor | Author of concrete sculptures. |
| Raymond Subes - Iron and steel | Creator of the gate grid. |
| Marguerite Huré - Glass painter | Author of the original stained glass windows. |
| Élisabeth Tournon-Branly - Painter | Frescoes of the Baptistery. |
| Edmond Ramoisy - Sponsor | President of *Belgium planning*. |
| Abbé Albert Mancel - Project Initiator | Priest of Aubergenville. |