wing of the Louvre's Cour Carrée in 1663. He had already started designing the east wing around 1659 and by late 1663 began laying the foundation.

On 1 January 1664, Jean-Baptiste Colbert purchased the post of Surintendant des Bâtiments du Roi from Antoine de Ratabon and suddenly halted all work on the east wing. He invited other French architects