First of all, briefly introduce Qian Xuesen.
1, Qian Xuesen, Han nationality, the 33rd grandson of Wang Qian, wuyue, was born in Shanghai and his ancestral home was Lin 'an, Hangzhou, Zhejiang. World-renowned scientist, aerodynamicist, founder of manned space flight in China, "father of China's scientific system" and "king of rockets", due to Qian Xuesen's return to China, China's missiles and atomic bombs were launched at least 20 years earlier.
2. 1934, Qian Xuesen graduated from School of Mechanical and Power Engineering of Jiaotong University, and was a professor at Massachusetts Institute of Technology and California Institute of Technology. 1950, Qian Xuesen was blocked from returning to China and was imprisoned by the United States. 1955, with the efforts of President Mao Zedong and Premier Zhou Enlai, he returned to China.
Second, the evaluation of Qian Xuesen
1, Mao Zedong's evaluation: Americans regard Qian Xuesen as the fifth division. In my opinion, Qian Xuesen is much stronger than the Fifth Division for us.
2. U.S. Deputy Navy Secretary daniel king Bull commented that Qian Xuesen is worth five divisions no matter where he is.
3. Clark, an American rocket expert, commented: Among the returned scholars in China, no one is more important than Qian Xuesen.
4. Steve of MIT commented: Qian Xuesen's achievements in the United States are good, but not convincing. His contribution to the people of China is truly extraordinary.