Title: Wu si san ren xing
Description: Ben shu jiang shu le wu si yun dong zhong bei cheng wei "wu si" san sheng de Cai Yuanpei, Chen Duxiu, Hu Shi san ren de si xiang yu yun dong, yi ji wu si guo hou ta men dui "wu si" yi yi de fan si.
Subjects: Biography, History
Places: China
People: Duxiu Chen (1879-1942), Yuanpei Cai (1868-1940), Shi Hu (1891-1962)
Time periods: May Fourth movement, 1919