Zhang Yudrakpa Tsöndru Drakpa (1122–93)
(zhang g.yu brag pa brtson 'gru brags pa), also known as
Gungtang Lama Zhang (gung-thang bla-ma zhang) and popularly simply as “
Lama Zhang,” was the founder of the Tshalpa Kagyu sect of
Tibetan Buddhism. Although a prominent religious figure, Lama Zhang was also deeply, and controversially, involved in the political and military conflicts in the
Tibet of his time.