Omraam Mikhael Aivanhov
Originally from Bulgaria, a student of the well respected Peter Dunov, he founded the "White Brotherhood" and taught Western mysticism, based on esoteric Christianity, in Europe from 1960(?) until his death in the mid-1980s. The Indian sage Nityananada said on meeting him, "A pure heart, peace in his soul, and all power has been given to him."
Purification. "Our nature must become purified so that the divine light which is inside all, can shine through."