Alexandre Saint-Yves d'Alveydre

Joseph Alexandre Saint-Yves, Marquis d’Alveydre was a French occultist who adapted the works of Fabre d'Olivet (1767–1825) and, in turn, had his ideas adapted by Gérard Encausse alias Papus. His work on L'Archéomètre deeply influenced the young René Guénon.