[Cronos]

Retain: Hassan bin Sabah, who was a Zoroastrian from Persia.

incorrect, utterly, utterly incorrect

Hassan bin Sabbah was a Shia from Iran. In fact his father was supposedly an Arab from Yemen (debatable as moslems always want to pretend they are Arabs, the "pure race"

[Retain Mike]

Wikipedia agrees with you. I usually avoid it because it can be so flaky. But outside confirmation certainly helps in comparing to my source.