Learn from the greatest human beings.
Also known as Guru Rinpoche. An Indian Master who along with Shantarakshita and King Trisong Detsen established Tantric Buddhism in Tibet (8th century). He is perhaps most known to westerners in relation to the so-called "Tibetan Book of the Dead." He is widely revered in Tibetan Buddhism, second only to the Buddha Shakyamuni.