Pema Tekchok Loden was a twentieth-century Nyingma master from Kham. He was educated at Śrī Siṃha College at Dzogchen Monastery, where he served as the twentieth abbot, from 1904 to 1912. He spent the last four decades of his life in retreat in a cave above Dzogchen.
The Indian pandit Niṣkalaṅka was an Indian Buddhist teacher in the later transmission period. He is credited with several translations into Tibetan and is credited with composing The Glorious Treatise on the Release from Bondage, which serves as an Indian-language source for Mahāmudrā teachings.
Jangchub Tsemo was a translator of Sanskrit grammatical treatises and Tantric commentaries. A student of Pang Lotsāwa, who was his maternal uncle, he taught grammar and Kālacakra to many of the era's prominent lamas, including Tsongkhapa.
The TBRC RID number refers to the unique ID assigned by the Tibetan Buddhist Resource Center (TBRC.org) to each historical figure in their database of Tibetan literature.