Sun Li-jen
Ku was born in 1902 in Wuxi, Jiangsu Province, China. He completed his studies in China at the Tsing Hua School (now National Tsing Hua University) where his classmates included future educator Liang Shih-chiu and general Sun Li-jen. In 1920, he helped found a literary society at Tsing Hua with Liang, Wu Wenzao, Qi Xueqi, Wen Yiduo, Yu Shangyuan, and others.