The great exponent of Mahayana Buddhism was
The great exponent of Mahayana Buddhism was Correct Answer Nagarjuna
Nagarjuna wrote as a Buddhist monk and as a proponent of the Mahayana (Sanskrit: "Greater Vehicle") school, which emphasized the idea of the bodhisattva, or one who seeks to become a buddha; in several of his works he defended the Mahayana sutras as the authentic word of the Buddha.