| Girart de Vienne - Count of Vienna (IXth century) | Founder of the original monastery around 858-859 |
| Eugène Viollet-le-Duc - Architect-restaurant (11th century) | Supervises works from 1840 to 1849 |
| Paul Boeswillwald - Architect (11th century) | Finish the restoration (1888-1898) |
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