Northeast Anti-Japanese United Army
Kim Il-sung, later to become leader of North Korea, was a high-rank officer in this army, and attained a distinction that he invaded China-Korea border and attacked Japanese police station in Bochonbo 1939. It was widely reported by Korean presses such as Donga Ilbo and he became famous in Korea as the most prominent leader of the anti-Japanese movement. After the war, some of the Korean nationals in this army became the first generation of the leaders of North Korea. Besides Kim Il-sung, An Gil, Kim Chaek, Choe Yong-gon and Kang Kon were also Korean high-rank officers of NAJUA, later assumed high positions in North Korea.
Kim Tu-bong
He and other members of the Yan'an faction formed the New People's Party when they returned from exile. After the New People's Party merged into the Workers Party of North Korea (WPNK) in 1946 at the 1st WPNK Congress, he became WPNK Chairman. He was the first head of state (Chairman of the Presidium of the Supreme People's Assembly) of North Korea from 1948 to 1957. He is most remembered in South Korea for his efforts in establishing the Korean linguistic field and especially that of Hangul. Much of his work both political and linguistically was done while living in China with the exiled government of Korea. He is also known by his pen name Baekyeon. He was purged by Kim Il-sung in 1957.