What difficulties did Qian Xuesen encounter when he returned to China?

The deputy secretary of the US Navy persecuted him politically on the grounds that he knew all the core secrets of the US missile program. Immigration raided his home, detained him 14 days, and released him after obtaining a huge bail of $0.5 million from Caltech/kloc-0. Later, the customs confiscated his luggage, including 800 kilograms of books and notebooks, on the grounds of confidential materials.

Qian Xuesen (1911.1-2009.5438+00.35438+0), Han nationality, Shanghainese, originally from 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.

1entered the middle school attached to Beijing Normal University in September, 923. 1929 was admitted to the Railway Engineering Department of Shanghai Institute of Mechanical Engineering, Jiaotong University, Ministry of Railways. 1934 graduated from jiaotong university, and was admitted as an American student in the 7th Geng prize in Tsinghua University in June of the same year. In August, I went to National Central University to take the exam for Tsinghua University students studying in the United States. 10 became one of 20 public students studying in the United States.

1955, after Premier Zhou Enlai's continuous efforts in diplomatic negotiations with the United States in exchange for the release of 1 1 American pilots captured in the Korean War, Qian Xuesen finally returned to his haunted motherland on the morning of 1955+00+ 1.

On June 5438+1October 365438+1October 2009, at 8: 06 am Beijing time, Qian Xuesen died in Beijing at the age of 98.

His works include: Engineering Cybernetics, Lectures on Physical Mechanics, Introduction to Interstellar Navigation, Systems Engineering, Thinking Science, Geography Science, Science and Art Science, Humanities Science and Modern Science and Technology, Creative Systematics, Macro Architecture and Micro Architecture, etc.