Louvre Palace areas, and parking areas, as well as an auditorium, a tourist bus depot, and a cafeteria, was constructed underneath the Louvre's central courtyards of the Cour Napoléon and the Cour du Carrousel. The ground-level entrance to this complex was situated in the centre of the Cour Napoléon and is crowned by the prominent steel-and-glass pyramid (1989), the most famous element designed by Pei. In a proposal by Kenneth Carbone, the nomenclature of the wings of the Louvre was simplified in 1987 to reflect the Grand Louvre's organization. Corresponding to the three pavilions through which the public must pass to reach
Paris in the 18th century Robert; Pierre-Paul Prud'hon, whose work combined classicism and romanticism; and a major neoclassical sculptor from the earlier generation, the sculptor Jean-Antoine Houdon, famous for his busts of George Washington and Voltaire. The idea of making the Louvre into an art museum had first been proposed in 1747 by Lafont de Saint-Yenne and supported by Diderot in 1765 in the article on the Louvre in the "Encylopedie". The idea was accepted by Louis XVI, who in 1789 began work on the Grand Gallery of the Louvre. The Revolution intervened, and on 27 July 1793 the Convention decreed the creation of a