The authors of the "Encyclopedia": Voltaire, Rousseau, Daubenton, Lamarck, Condorcet, Dumarsais, Buffon, Necker, Vicq d'Azyr, Thouin, Roland de La Platière, Marmontel and Gaillard, in medallions, from left to right, surrounding d'Alembert and Diderot (from up to down). Tribute by the publisher Charles Panckoucke, engraved by Saint- Aubin (18-th century). © Roger-Viollet
The authors of the "Encyclopedia": Voltaire, Rousseau, Daubenton, Lamarck, Condorcet, Dumarsais, Buffon, Necker, Vicq d'Azyr, Thouin, Roland de La Platière, Marmontel and Gaillard, in medallions, from left to right, surrounding d'Alembert and Diderot (from up to down). Tribute by the publisher Charles Panckoucke, engraved by Saint- Aubin (18-th century). © Roger-Viollet

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