[1] In 1832 Rohault de Fleury was named architect of the Museum of Natural History in Paris, replacing Jacques Molinos.
[1] Rohault de Fleury was part of the team led by Alfred Armand (1805–88) that designed the Grand Hôtel du Louvre, which opened in 1855 in time for the Exposition Universelle.
[6] His son Hubert Rohault de Fleury became a painter, and was instrumental in the erection of the Basilica of Sacré-Cœur, Paris.
[10] After 1865 Charles Rohault de Fleury devoted himself to archaeological and religious studies with his son Georges, who arranged for publication of his works.
His work on the jardin des plantes at the museum was published in folio in 1876 under the title Muséum d'histoire naturelle.