Dilgo Khyentse
Later on, the Dalai Lama regarded Dilgo Khyentse as his principal teacher in the Nyingma tradition and of Dzogchen. Khyentse was also one of the main teachers of Chögyam Trungpa, whom he held in high regard. Dilgo Khyentse was also a master to teachers from all four schools of Tibetan Buddhism.