Khenpo Ngawang Norbu
Khenpo Ngawang Norbu (Tib. མཁན་པོ་ངག་དབང་ནོར་བུ་, Wyl. mkhan po ngag dbang nor bu) (1886-1958) - a khenpo at Dzogchen monastery and the father and teacher of Jikdral Changchub Dorje, the sixth Dzogchen Rinpoche. He was also a teacher of Alak Zenkar Rinpoche, Tsara Dharmakirti and Khenpo Tsöndrü.