Kwan Gae was named after Kwan Gae Ta Wang, 19th king of the Kogurayu Dynasty who recovered all of the lost territories including the greater part of Manchuria. The diagram represents the expansion and recovery of lost territories. The 39 movements represents the first two figures of the year 391AD the year he came to the throne.
is the pseudonym of a loyal subject Chong Mong-Chu (1400) 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.