Liang Dongcai, male, Han nationality is a native of Guangzhou, Guangdong Province. He graduated from Zhongshan University in 1955.
Lian measured the crystal structures of a batch of organic substances and, together with a partner organization, established the first computing program database used for analysis of crystal structure in the early 1960s. Later that decade, as one of the responsible persons, he participated in the measurement of pig's insulin crystal structure. Since 1980, Lian has supervised an insulin 3-D structure and function research team. He measured seventeen 3-D structures of insulin and its derivatives in total. He also organized the research about 3-D structure and function of algae light-arresting protein.