徐世昌
Xu Shichang (Hsu Shih-chang; ; courtesy name: Juren (Chu-jen; 菊人); October 20, 1855 – June 5, 1939) was the President of the Republic of China, in Beijing, from 10 October 1918 to 2 June 1922. The only permanent president of the Beiyang government to be a civilian, his presidency was also the longest of the warlord era.