Hasan-i-Sabah was born in northern Persia around 1050 and died in 1124. He was an Ismaili missionary (or dai) who founded the Nizari Ismailis after the usurpation of the Fatimid Imamate by the military dictator of Egypt. It may be said that Hasan founded and operated the world's most successful mystical secret society, while building a political territory in which to maintain his independence. The small empire he created would be home to him,...