disciple of Śāntarakṣita and Vairotsana in the late eighth century. He was an exponent of the Yogācāra Svātantrika Madhyamaka school. He did much to propagate the teachings of the Prajñāpāramitā and is well known for his commentary on the same sutra. He was the preceptor of the Buddhist king Dharmapāla and was closely associated with the monastic university of Vikramaśīla. [TPQ, 2010]