His most well known work was ''Système de la nature'' (''The System of Nature'') published in 1770, which was first published under the name of Jean-Baptiste de Mirabaud (a former secretary of the Académie française who had died about ten years previously). | His most well known work was ''Système de la nature'' (''The System of Nature'') published in 1770, which was first published under the name of Jean-Baptiste de Mirabaud (a former secretary of the Académie française who had died about ten years previously). |