Duldzin Dragpa Gyaltsen (1374-1434), the first Kyorlung Ngari Tulku,[1] was one of the principal disciples of Je Tsongkhapa, the founder of the Gelugpa school of Tibetan Buddhism.[2]
Duldzin Dragpa Gyaltsen is renowned for his strict adherence to the Vinaya or Buddhist monastic code[1][3] as well as for his survey of the Sarvadurgatipariśodhana Tantra.[2]
Dragpa Gyaltsen was the founder of Tsunmo Tsal (btsun mo tshal) monastery in Tagtse Dzong (stag rtse rdzong), Central Tibet.[1]
His students included Jamyang Choje Tashi Palden (1379-1449), the founder of Drepung Monastery, and most of the other important Gelug masters of the time.[1][2]