Colonel Yi Wu, was the 4th head of Unhyeon Palace, a member of the imperial family of of Korea, and a Lieutenant Colonel in the Imperial Japanese Army during the Second World War.
Background
He was born the second son of Prince Gang, the fifth son of Emperor Gojong. At the age of five, he was adopted to be the heir of deceased Prince June (or Prince Yeongseon, 永宣君李埈 yŏng sŏn gun i jun), the 3rd head of Unhyŏn Palace and the only son of the elder brother of Emperor Gojong, Prince Hui (or Prince Heung, 興親王李熹 hŭng chin wang i hui or Yi Jaemyeon, Prince Wanheung of of Korea, 完興君李載冕 wan hŭng gun i jae myŏn).
Education
Imperial Japanese Army Academy.
Career
He was killed during the atomic bombing of Hiroshima. He was taken to Japan shortly afterwards under the pretense of educational purposes. This made him the favorite son of his father, Prince Gang, who himself attempted to escape from of Korea to join the exiled Korean government.
They had two children, Yi Chung (李淸 이청 i chŏng) (born 23 April 1936) and Yi Jong (李淙 이종 i jong) (born 9 November 1940 - died 1966).
Prince Wu served in the Japanese Army stationed in China. Commissioned a 2nd Lieutenant on 25 October 1933, he was promoted to lieutenant on 25 October 1935, to captain on 1 March 1938, to Major on 15 October 1941 and to Lieutenant-Colonel on 10 June 1945.
While in Manchuria, he was supposedly reported to have supported the guerrilla resistance movements by Chinese and Korean exiles. Prince Wu was transferred to Hiroshima in 1945, and on 6 August 1945, he was mortally injured by the atomic bomb blast on the way to his office, and died later that day at a medical aid station.
He was posthumously promoted to the rank of Colonel.
After his funeral, Adjutant Lieutenant Colonel Yoshinari Hiroshi (吉成 弘) committed seppuku on account of not being able to save Prince Wu. Thereafter his body was moved to of Korea and was buried in Heungwon on 15 August 1945, the day the war ended.