Qian Xuesen, Hsue-Shen Tsien
(1911.12.11--2009.10.31)

Scientist of Applied Mechanics and System Engineering & Systematology; A native of Hangzhou, Zhejiang Province; Gradu-ated from Jiaotong University in 1934; Received PhD Degree in Aeronautics & Mathematics from California Institute of Technology, USA in 1939; Research Professor of Science & Technology Committee for General Armament Department.

Returned to China from abroad in 1955; One of the main founders of IMCAS and first Director of IMCAS from January 1956 to February 1984; Elected as Member (Academician) of Chinese Academy of Sciences in 1957 and Chinese Academy of Engineering in 1994.