| Jacques Gabriel - Architect | Author of the first projects (1729). |
| Ange-Jacques Gabriel - Architect | Work with Tourny to complete the set. |
| Claude Boucher - Intendant of Bordeaux | Obtained the agreement of the jurats in 1746. |
| Aubert de Tourny - Intendant, successor of Boucher | Relaunched the project in 1748. |
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