, Ḥamīd al-Dīn Aḥmad b. ʿAbd Allāh , was a prominent dāʿī of the Fāṭimids during the reign of al-Ḥākim bi-amr Allāh (386-411/996-1021) as well as the author of many works on the theory of the Imāmate and on Ismāʿīlī philosophy.
The life of al-Kirmānī is known only in its main outlines, which can be traced on the basis of statements contained in his own works. Some other details can be derived from unpublished Ismāʿīlī sources, as has been done notably by Muṣṭafā G̲h̲ālib (op. cit., 41 f.) who, however, does not specify these sources. His nisba points to his origin from the Iranian province…