When was Qian Xuesen put under house arrest by the US government?

1950 Mr. Qian quit his job in the United States and took his family to Hong Kong by cruise from Los Angeles to return to the motherland.

However, just before they were ready to leave, Los Angeles Customs seized their checked baggage in advance, and the most important thing in the luggage was about 800 kilograms of books.

Later, Qian Xuesen went to the Pentagon to visit his former friend, Vice Minister of the Navy danieldae kim Bohr.

However, in the face of national interests, private feelings have long been worthless. After Kimball urged Qian Xuesen to stay in office, he greeted the US Department of Justice and the Federal Bureau of Investigation:

"This man can't let him leave, he is too important. He knows all the core secrets of the US missile program. One Qian Xuesen is worth five marine divisions. He would rather shoot him than let him go home. "

Mr. Qian Xuesen at the American hearing

Subsequently, Qian Xuesen was arrested by the US Immigration Service. After being detained for 15 days, he was finally freed with a ransom of10.5 million dollars. However, behind this freedom is 24-hour monitoring.

Phone calls, conversations and all actions of family members are under surveillance. Qian Xuesen simply doesn't go anywhere and stays at home every day to concentrate on his research.

In order to avoid monitoring, Jiang Ying directly moved Qian Xuesen's desk to the toilet. Every time Qian Xuesen works, Jiang Ying will put a chair outside the toilet. It is precisely because of the protection of his wife that Qian Xuesen can work with peace of mind. Qian Xuesen's masterpiece "Engineering Cybernetics" was written in such an environment.

When Jiang Ying got the officially published book, she opened it with four words written on the title page: "Dedicated to Jiang Ying".

This is the most forbearing and tormenting five years. Qian Yonggang, the son of Qian Xuesen, later recalled: