Shantideva was a scholar in the eighth century from the monastic university Nalanda, one of the most celebrated centers of learning in ancient India.
Khenpo David Karma Choephel is Khenchen Thrangu Rinpoche's main English-language translator as well as the translator of many books on Tibetan Buddhism. He studied Buddhist philosophy at the Vajra Vidya Institute in Namo Buddha, Nepal, and Sarnath, India, and earned the title of Khenpo, essentially a PhD in the Tibetan system.