It took Qian Xuesen five years to return to China. How did he spend these five years?

1950, we began to strive for the return to the motherland. Kimble, then undersecretary of the US Navy, said, "Qian Xuesen is worth five divisions wherever he goes. I would rather kill him in America than let him leave. " He was persecuted by the American government and lost his precious freedom. 1955 It took him five years to return to the motherland.

When the news of People's Republic of China (PRC)'s birth reached the United States in 1949, Qian Xuesen and his wife Jiang Ying discussed returning to the motherland to serve their country as soon as possible. At this time, the United States, led by McCarthy, conducted a comprehensive investigation on the producers of * * *, and set off a craze in the United States to drive employees to be loyal to the US government. Qian Xuesen's certificate to participate in confidential research was suddenly revoked by the US military department because he was suspected of being a producer of * * * and refused to expose his friends. Qian Xuesen was very angry and asked to return to China on this ground.

1950, when Qian Xuesen went to the port to prepare for returning home, he was stopped by American officials and put into prison. At that time, dani Dan A. Kimball, the deputy secretary of the US Navy, claimed that Qian Xuesen was worth five divisions wherever he went.

From then on, Qian Xuesen was persecuted by the American government and lost his precious freedom. He lost about 30 pounds in a month. Immigration raided his home and detained him in Temina Island for 65,438+04 days. He was not released until he received a huge bail of $65,438+$5,000 from California Institute of Technology. Later, the customs confiscated his luggage, including 800 kilograms of books and notebooks. He didn't prove his innocence until the American prosecutor reviewed all his materials again.

Extended data Qian Xuesen (19 1 1~) is a famous physicist in China and a world-famous rocket expert. Known as "the father of China's space flight", "the father of China's missiles", "the father of China's automation control" and "the king of rockets", the launch of China's missiles and atomic bombs was at least 20 years ahead of schedule because of Qian Xuesen's return to China.

In the early 1950s, the news that Qian Xuesen was persecuted in the United States quickly spread to China, and friends in China's scientific and technological circles supported Qian Xuesen through various channels. The Central Committee of the Communist Party of China is extremely concerned about Qian Xuesen's situation in the United States, and the China government publicly issued a statement condemning the US government for imprisoning Qian Xuesen against his will.

1954 By chance, he saw Chen Shutong standing at the gate of Tiananmen Square as the vice chairman of the National People's Congress Standing Committee (NPCSC) in the newspaper, so he decided to write to his father's good friend for help. Just as Premier Zhou Enlai was anxious about this, Chen Shutong, then vice chairman of the National People's Congress Standing Committee (NPCSC), received a letter from the other side of the ocean.

He opened it and signed it "Qian Xuesen", originally asking the motherland government to help him return to China. From 65438 to 0955, after continuous efforts of Premier Zhou Enlai's diplomatic negotiations with the United States-even including the release of 1 1 American pilots captured in the Korean War, Qian Xuesen received a notice from the US Immigration Bureau allowing him to return to China on August 4, 1955.