Hello, Mao Yisheng has presided over china academy of railway sciences for more than 30 years and made outstanding contributions to the progress of railway science and technology. A pioneer who actively advocates the application of soil mechanics in engineering. Mao Yisheng presided over the construction of Qiantang River Bridge, which was the first modern large-scale bridge designed and built by China people themselves, and became a milestone in the history of railway bridges in China. After the founding of New China, he participated in the design of Wuhan Yangtze River Bridge. In his later years, he wrote History of Chinese Bridges, Ancient Bridges and New Bridges in China, etc.

Mao Yisheng (18961.9—19891.1.2) was born in Zhenjiang, Jiangsu. Party member, a member of Jiu San Society, once served as honorary chairman of the Central Committee of Jiu San Society, President china academy of railway sciences, honorary chairman of China Association for Science and Technology, civil engineer, bridge expert, academician of China Academy of Sciences, academician of American Academy of Engineering and academician of Academia Sinica.

Mao Yisheng 19 16 graduated from Southwest Jiaotong University, 19 17 received a master's degree from Cornell University, and 19 19 received a doctorate from Carnegie Institute of Technology (now Carnegie Mellon University). After returning to China, he successively served as a professor at Tangshan Institute of Technology of Jiaotong University, a professor at Southeast University (1928 was renamed as National Central University), a director of engineering department, a president of National Hehai University of Technology, a president of Tangshan Jiaotong University (now Southwest Jiaotong University), a president of Beiyang Institute of Technology, a director of Jiangsu Provincial Water Resources Department, a director of Qiantang River Bridge Engineering Department, an acting dean and dean of Tangshan Institute of Technology of Jiaotong University, a general manager of China Bridge Corporation, a president of Beiyang University, and a member of China University.