BOUNDLESS VISION presents the Dzogchen practices of the Tibetan Northern Treasure tradition of the rigzin Godemchan according to the 19th century master Tulku Tsulo. Tulku Thondrup Rinpoche's translation has been edited by Keith Dowman. Rigzin Godemchan (1337-1408) resides in the highest echelon of buddhas in the Nyingma lineages, and is exalted equally by the Southern Treasure tradition. His lineage is founded in Dorje Trak Gompa in Central Tibet and has a strong presence in Kham. Tulku Tsulo (Tsultrim Zangpo, 1884-1957?), the author of BOUNDLESS VISION, was a khempo at the Dorje Trak gompa in Domang, Kham. He was the grandson of Nuden Dorje Dropen Lingpa; he taught at Shukchung, Bahne and Khordong gompas; he composed eight volumes of commentary; and his reputation spread widely throughout eastern Tibet. Chimme Rigzin Rinpoche (1922-2002) was recognized as the fourth incarnation of Nuden Dorje Dropen Lingpa in the Khordong Gompa in south-eastern Kham and received instruction from Tulku Tsulo. Transported to India he taught in the Shantiniketan university in West Bengal, founded a gompa in Siliguri, and teaching abroad he established a Khordong tradition in Germany and Poland. Tulku Thondrup studied under Chimme Rigzin at Shantiniketan, India, before departing for Boston, Massachusetts, USA, where under the auspices of the Buddhayana Foundation he became a prolific translator and well-beloved mentor. Chimme Rigzin induced him to translate this text into English. Keith Dowman, born in England, lived in India and Nepal under the tutelage of Dudjom Rinpoche and Kanjur Rinpoche for 45 years, and now lives in Mexico, translating and teaching Dzogchen.