Lobzang Dongak Chökyi Gyatso
Lobzang Dongak Chökyi Gyatso (1903-1957) aka Tulku Sungrap - a disciple of Tertön Sogyal and Amdo Geshe Jampal Rolwé Lodrö. He wrote several works comparing the view of Dzogchen with that of Mahamudra and Anuttarayoga Tantra, and a commentary on the Ornamant of the Middle Way.