Tulku Urgyen Rinpoche (1920 – February 13, 1996) (Tibetan: སྤྲུལ་སྐུ་ཨོ་རྒྱན་རིན་པོ་ཆེ་, Wylie: sprul-sku o-rgyan rin-po-che) (Nepali: टुल्कु उर्ग्येन् रिन्पोचे) was a Buddhist master of the Kagyü and Nyingma lineages who lived at Nagi Gompa hermitage in Nepal. Urgyen Rinpoche was considered one of the greatest Dzogchen masters of his time. Source: Wikipedia (en)