Buddhaguhya was a Vajrayana

Vajrayana

Vajrayāna Buddhism is also known as Tantric Buddhism, Tantrayāna, Mantrayāna, Secret Mantra, Esoteric Buddhism and the Diamond Vehicle...

 Buddhist scholar-monk. Vimalamitra

Vimalamitra

Vimalamitra ), an 8th century Indian adept, is key to the history of Tibetan Buddhist Dzogchen practice. He lived equally in China, Oddiyana and Tibet, but was known as the "Sage of Kashmir". According to tradition, he was born in Western India and travelled to China to become a disciple of Shri...

 was one of his students. Apart from his commentary on the Maha-Vairocana-Abhisambodhi Tantra, we know little of Buddhaguhya. A major commentary by Buddhaguhya of the Mahavairocana Tantra

Mahavairocana Tantra

The Mahāvairocana Tantra is an important Vajrayana Buddhist text. It is also known as the , or more fully as the . In Tibet it is considered to be a member of the Carya class of tantras...

 was written in 760 and is preserved in Tibetan. Hodge translates it into English alongside the text itself. Buddhaguhya is held to have received teachings from Lilavajra.