Lee Beom-seok
Officer at the Battle of Cheongsan-ri, later chief of staff and Second Detachment commander of the Korean Liberation Army
An instructor at the Sinheung Military Academy, he commanded the officer-trainee unit of the Northern Route Military Administration and fought beside Kim Jwa-jin at Cheongsan-ri in 1920. When the Korean Liberation Army was founded in 1940 he became its chief of staff, and as commander of its Second Detachment prepared a homeland advance with the American OSS. After liberation he founded the Korean National Youth Association and served as the Republic of Korea's first prime minister and defence minister.