Ratnākaraśānti was an Indian scholar and tantric adept who lived during the late tenth and early eleventh century. The head of the great Indian monastery Vikramaśīla, he was a teacher to Atiśa, Maitrīpā, Śraddhākaravarman, and Drokmi Śākya Yeshe, among others. Forty of his compositions are included in the Tibetan Tengyur. In his esoteric works he sought to explain tantric practice from a Yogācāra interpretation of the Perfection of Wisdom literature.
Khenchen Dazer was a prominent twentieth-century master of the Northern Treasure tradition. A disciple of Botrul Rinpoche, he traveled widely in Tibet and India, teaching at Namdroling and in Bhutan and Sikkim.
Khenchen Choying Khyabdel was a twentieth-century Nyingma monk in Kham, primarily in the Northern Treasures tradition of Dorje Drak and its branches.
The TBRC RID number refers to the unique ID assigned by the Tibetan Buddhist Resource Center (TBRC.org) to each historical figure in their database of Tibetan literature.