A seventh century Indian scholar and disciple of Vasubandhu, Gunaprabha is best known for the root text Vinayasutra. He is usually thought to be one of the Two Supreme Ones.

Könchog Tenpai Drönme. A disciple of the first incarnation of the great Jamyang Shepa; known for his eloquent spiritual poetry and philosophical works.

A spiritual guide or teacher. One who shows a disciple the path to liberation and enlightenment. Literally, heavy—heavy with knowledge of Dharma. In tantra, one's teacher is seen as inseparable from the meditational deity and the Three Rare Sublime Ones (the Three Jewels of refuge). See also root guru.

After finding a fully qualified spiritual teacher and establishing a connection, the disciple trains in devotion using logical reasoning. The correct way to rely on the guru is through thought—seeing the guru as a buddha and remembering their kindness; and through action—carrying out the guru's advice, offering respect and service, and making material offerings.

A special Highest Yoga Tantra guru yoga practice composed by the fourth Panchen Lama, Losang Chökyi Gyaltsen.

In order to amass the two collections of merit and purify negativities and obscurations, one views the guru as inseparable from a deity and/or from the Buddha. There are various guru yoga practices, some are done in accordance with tantra, for example, Guru Puja, and some in accordance with the sutra tradition, for example, the Hundred Deities of the Land of Joy (Ganden Lha Gyäma).

The inseparability of the deity and the spiritual master; a fundamental practice of tantra.

Gyaltsab Darma Rinchen was one of the two main disciples of Lama Tsongkhapa, with Khedrub-je. After Lama Tsongkhapa died, Gyaltsab-je became the second Ganden Tripa (spiritual head of the Gelug school). Read Gyaltsab-je’s biography in Treasury of Lives.

A disciple of Chökyi Dorje, Gyalwa Ensapa achieved enlightenment within a few years without bearing much hardship. He was predecessor of the Panchen Lamas and a guru of Khedrub Sangye Yeshe.

Highest Yoga Tantra aspect of Avalokiteshvara.

One of the five major monasteries of the Gelug school in or around Lhasa; it was founded in 1433 by Je Sherab Senge, a disciple of Lama Tsongkhapa. Originally located in lower Central Tibet and then Lhasa, it has now been re-established in Hunsur, south India. See also Gyüto (Upper Tantric College).

Founded in 1474 by Kunga Dhondup, Gyüto is a Gelug college in south India specializing in the study of tantric meditation. See also Gyüme (Lower Tantric College).