Farhad Daftary is Governor and Director Emeritus of the Institute of Ismaili Studies, UK. He has written more than 200 articles and encyclopedia entries and several acclaimed books, including The Ismailis: Their History and Doctrines (1990; 2nd ed., 2007), The Assassin Legends (1994), and A Short History of the Ismailis (1998). Daftary is a consulting editor of the Encyclopaedia Iranica (for Ismailism), co-editor of the Encyclopaedia Islamica, and general editor of the Ismaili Heritage Series, the Ismaili Texts and Translations Series and the Shi'i Heritage Series published by I.B. Tauris.