Khenpo Ngakchung / Ngawang Palsang. (1879-1941). A khenpo at Katok and a very important reviver of the scholastic lineage of expounding the Dzogchen scriptures. Considered to be incarnation of both Vimalamitra and Longchenpa. Chadral Sangye Dorje is one of his last living disciples. Wrote a commentary on {dbu ma la 'jugs pa}