The Ninth Situ, Pema Nyinje Wangpo, was a student of the Thirteenth Karmapa and the Tenth Zhamar. He was a main teacher to Jamgon Kongtrul and the Fourteenth Karmapa. He built the Gyude Temple at Pelpung Monastery. He spent the twenty years in retreat, from about age sixty to age eighty. ... read more at