Ledoux, Claude Nicolas (klōd nēkôläˈ lədōˈ) [key], 1736–1806, French architect. He built palaces and various public buildings, among them the tollhouses ( barrières ) around Paris (1784). His main work was the planning of an ideal city, "Chaux," for the salt mines of the Franche-Comté; it was never built. His fame and importance, however, rest chiefly on his treatise L'architecture considérée sous le rapport de l'art, des moeurs et de la législation (1804).
See study by A. Vidler (1990).
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