Tsongkhapa (1357-1419) was the founder of the Gelugpa or “Yellow Hat” order of Tibetan Buddhism. This soon became the dominant order in Tibet, making Tsongkhapa Tibet’s most influential teacher. Not only was this great reformer the leading teacher of the known or exoteric teachings, but according to Theosophical sources, he was also the leading teacher of the secret or esoteric teachings, the W...