Ngulchu Dharmabhadra
Ngulchu Dharmabhadra (Wyl. dngul chu d+harma b+ha dra) (1772-1851) was the author of the The Words of Situ (si tu’i zhal lung), a famous work on Tibetan grammar, based on the teachings of Situ Panchen Chökyi Jungné (1699 or 1700-1774). He was the uncle and teacher of Yangchen Drubpé Dorje.
