Bei Shizhang studies at the University of Tübingen in Germany in 1925. [Photo/ibp.cas.cn] 

Bei Shizhang is appointed as the director of the Institute of Experimental Biology, Chinese Academy of Sciences, in 1950. [Photo/ibp.cas.cn]

Bei Shizhang leads a Chinese Academy of Sciences delegation to visit the UK in 1972. [Photo/ibp.cas.cn]

Bei Shizhang's 100th birthday [Photo/ibp.cas.cn]