According to Wikipedia,
Park Yong-man ; was a Korean nationalist and independence activist who, after spending time in prison for reformist activities, immigrated to the United States of America. There Park was involved in the establishment of various Korean nationalist organizations in Denver, Nebraska and Hawaii. Park also founded the Korean Military Corps. Following the March 1st movement in 1919, Park became involved with the military training of Korean nationalists in China, but may have also engaged in anti-communist activity. Park was assassinated in Beijing by a Korean communist.
Park Yong-man is affiliated with the following schools: