Chengguan (monk)
Chengguan (or Ching-liang) (738–839) was an important representative of the Huayan school of Chinese Buddhism, under whom the school gained great influence. Chengguan was the master of several emperors. With his special relationship to the political leaders, Cheng-kuan earned the title "the Hua-yen Bodhisattva" and was regarded as the fourth patriarch.
Bibliography
Chengguan; Guo Cheen (2014), Translating totality in parts: Chengguan's commentaries and subcommentaries to the Avatamska Sutra, Lanham: University Press of America
Girard, F. (2003), Review: Imre Hamar: A Religious Leader in the Tang: Chengguan's Biography, Bulletin de l'Ecole française d'Extrême-Orient, 90 (1), 552-556
Hamar, Imre (2002). A Religious Leader in the Tang: Chengguan’s Biography, Tokyo: The International Institute of Buddhist Studies, ISBN 4-906267-49-1
Hamar, Imre (1999). Buddhism and The Dao in Tang China: The Impact of Confucianism and Daoism on the Philosophy of Chengguan. Acta Orientalia Hung. 52, (3-4), pp. 283–292