Yang Zhongjian
The Cenozoic Research Laboratory of the Geological Survey of China was established at the Peking Union Medical College in 1928 with the assistance of Chinese geologists Ding Wenjiang and Weng Wenhao for the research and appraisal of the fossils unearthed. Black stayed on at the Laboratory as honorary director while excavations continued at the site under Chinese paleontologist Yang Zhongjian, anthropologists Pei Wenzhong and Jia Lanpo.