Yulgok Yi-yi(1536 - 1584) Along with Toegye, Yulgok was revered as one of the two great masters of Confucianism. Even so, his theory differed from that of Toegye. In his theory Chugiron, he denied Chu Xi's dualism and stressed external experience and breadth of learning. His pragmatism greatly influenced national policy, bringing about substantial progress in the life of the Korean people. The University has established scholarships named after Toegye and Yulgok to commemorate their great achievements in Confucianism.