Po Eun Tul

PO-EUN is the pseudonym of a loyal subject Chong Mong-Chur (1400 AD) who was a famous poet and whose poem "I would not serve a second master though I might be crucified a hundred times" is known to every Korean. He was also a pioneer in the field of physics. The diagram represents his unerring loyalty to the king and country towards the end of the Koryo Dynasty.