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Jean-Claude Chambellan Duplessis was a goldsmith, sculptor and ceramics modeller, bronze-founder and decorative designer working in the Rococo manner. He served as artistic director of the Vincennes porcelain manufactory and its successor at Sèvres from 1748 to his death in 1774 and as royal goldsmith (orfèvre du Roi) from 1758 to 1774.
René Dubois was a French cabinetmaker and furniture designer. He followed his father Jacques Dubois, becoming a master ébéniste when he was only eighteen years old. René Dubois continued to work for his father and directed the family workshop with his mother after Jacques's death in 1763. Nine years later Dubois's mother relinquished control of the workshop, selling the existing stock to her son, who agreed to pay her an annuity.
Philippe Caffiéri was a French sculptor. The son of Jacques Caffieri, he was received as a maître fondeur-ciseleur, joined his father's workshop and sometimes signed his independent works, especially after the death of his father in 1755, P.CAFFIERI.