Nāgārjuna

Nāgārjuna (Sanskrit, from Nāga + Arjuna; Chn. Lóngshù 龍樹; Tib. Klu sgrub; c. 150 – c. 250 CE) was a philosopher and Mahāyāna Buddhist monk from South India, considered the founder of the Madhyamaka (Centrism, Middle Way) school. Nāgārjuna is widely considered to be the most important Buddhist philosopher after the Buddha himself. Indeed, in Tibetan Buddhism, he is even called the "second Buddha".