Jean-Pierre Babelon, general curator of the National Heritage, former director of the National Museum and Estate of Versailles and a member of the Institut de France, has written many books about French history and architecture.
Georges Fessy, a photographer specialising in architecture, has collaborated on several books, on the Institut de France, the Musée Jacquemart-André, the Bibliothèque Nationale de France and the châteaux of Vaux-le-Vicomte and Fontainebleau.