ABŪ YAʿQŪB SEJESTĀNĪ (or SEJZĪ), ESḤĀQ B. AḤMAD, one of the most important of the early Ismaʿili dāʿīs. He achieved…

EḴWĀN AL-ṢAFĀʾ, a self-professed brotherhood of piously ascetic scholars. In order to advertise and propagate their special mix of philosophy…

INSTITUTE OF ISMAILI STUDIES, founded in 1977 by H. H. Prince Karim Aga Khan. The Institute functions today as a…