Title: Zhu Kezhen yu Chen Yinke
Subjects: Di qiu ke xue, Biografie, Meteorologists, Sheng ping shi ji, Historians, Shi xue jia, Ke xue jia, Scholars, Biography
Places: zhong guo, China
People: Yinke Chen (1890-1969), Kezhen Zhu (1890-1974)
Time periods: xian dai