Names, Natures and Things: The Alchemist Jabir ibn Hayyan and his Kitab al-Ahjar

Jabir ibn Hayyan, for a long time the reigning alchemical authority both in Islam and the Latin West, has exercised numerous generations of scholars. To be sure, it is not only the vexed question of the historical authorship and dating of the grand corpus Jabirianum which poses a serious scholarly challenge; equally challenging is the task of unraveling all those obscure and tantalizing discourses which it contains.