Phan Bội Châu
Phan Bội Châu, born Phan Văn San, courtesy name Hải Thụ, was a pioneer of Vietnamese 20th century nationalism. In 1903, he formed a revolutionary organization called Duy Tân Hội. From 1905 to 1908, he lived in Japan where he wrote political tracts calling for the independence of Vietnam from French colonial rule.