Louis Lenormand

[3] He began as a site inspector for the Madeleine Church, in Paris, under the direction of Jean-Jacques-Marie Huvé, and was one of the first architects attached to the Monument historique Commission.

The overall plan of the Palais de Justice was made by Louis Duc and Étienne-Théodore Dommey after the death of Jean-Nicolas Huyot, he designed the plans of the Court of Cassation within the space defined for it and redesigned them four times.

Louis Duc was appointed architect of the Court of Cassation four days after his death.

In 1842, he was in charge of the Saint-Jacques Church in Dieppe, and the "restoration" of the Château de Meillant, at the request of its owners, the Mortemarts.

He also oversaw the restoration of the Saint-Martin Church in Clamecy and the construction of the Chapelle du Banquet (also in Nièvre), and designed the plans for the Basilique Notre-Dame in Nice.