"The illuminated ones" – historically, the Bavarian secret society of republican freethinkers founded in 1776 by Adam Weishaupt and banned in 1785. The name is sometimes applied to followers of Rosicrucianism. In Fantasies of History, it is almost a generic term for Secret Masters. [DRL]
further reading: Secret Societies (1961) by Arkon Daraul (Idries Shah).