Shantideva was an 8th-century CE Indian philosopher, Buddhist monk, poet, and scholar at the mahavihara of Nalanda. He was an adherent of the Mādhyamaka philosophy of Nāgārjuna.
He is also considered to be one of the 84 mahasiddhas and is known as... Wikipedia
Born: 685 AD, India
Died: 763 AD (age 78 years)