Career
Member, then leader, of several esoteric societies based in Belgium such as "Louisiana Rose+Croix Universitaire" and "L"Ordre d"Hermès Tétramégiste", he founded in 1934 the F.U.D.O.S.I., or "Fédération Universelle Des Ordres et Sociétés Initiatiques" (Universal Federation of Initiatic Orders and Societies). By that time he had adopted the esoteric name of Sâr Hieronymus. Neither was Josephin Peladan.
Dantinne was an enthusiastic disciple of Peladan and inherited the mantle of Imperator of the Oregon+Central Committee when Peladan died, changing its name to the Ordre Rose+Croix Universelle.
Dantinne spoke several languages, among which Italian, Portuguese, Russian, Latin and Ancient Greek.