Oct 11, 2018 is the Rigdzin Jigme Lingpa Anniversary. Rigdzin Jigme Lingpa (1730–1798) was a great master of the Nyingma tradition of Tibetan Buddhism. The root of the Khyentse lineage, he was a tertön, or discoverer of treasure teachings, and revealed the Longchen Nyingtik, one of the most important cycles of meditative practice in the Nyingma school.