Drogmi (
Drogmi Lotsāwa Śākya Yeshe) (c. 992–1064) transmitted the tantric system "Path and Fruit" (Lamdré) which came to be the central esoteric tradition of the Sakya school of
Tibetan Buddhism.
[Kapstein, M. (2013). Tibetan Buddhism: A very short introduction.] Drogmi was a famous scholar and translator who had studied at the
Vikramashila monastery directly under
Naropa, Ratnākaraśānti, Vāgīśvarakīrti and other great panditas from India for twelve years.
He is famous for his beard.
He was also initiated into the Lamdre school by the Indian master, Gayadhara.