http://en.wikipedia.org/wiki/Yukteswar_Giri
Yukteswar Giri (also written yuktesvara, Sri Yukteswar) (Bengali: শ্রী যুক্তেশ্বর গিরী) (10 May 1855 – 9 March 1936) is the monastic name of Priya Nath Karar (Bengali: প্রিয়নাথ কাঁড়ার), the guru of Satyananda Giri and Paramahansa Yogananda. Yukteswar was an educator, astronomer, a Jyotisha (Vedic astrologer), a yogi, and a scholar of the Bhagavad Gitaand the Bible. He was a disciple of Lahiri Mahasaya of Varanasi and a member of the Giri branch of the swami order. Yogananda considered Yukteswar as Jnanavatar, or “Incarnation of Wisdom”.[1]
http://en.wikipedia.org/wiki/Aleister_Crowley
Aleister Crowley (/ˈkroʊli/; born Edward Alexander Crowley; 12 October 1875 – 1 December 1947) was an Englishoccultist, ceremonial magician, poet, painter, novelist, and mountaineer. He was responsible for founding the religion and philosophy of Thelema, in which role he identified himself as the prophet entrusted with guiding humanity into theAeon of Horus in the early 20th century.