Philip Mansel, who has lived and taught in Paris, is the author of, among other works, " Louis XVIII, The Court of France 1789-1830, "and "Constantinople: City of the World s Desire 1453-1924." He coedited "The French Emigres in Europe 1789-1814", has written for numerous newspapers and periodicals, and is editor of "the Court Historian", newsletter of the Society for Court Studies.