1949 when the new China was founded, Qian Xuesen, then director of the supersonic laboratory of California Institute of Technology, was deeply gratified by the new life of the motherland. He intends to return to China and use his professional knowledge to serve the new China. But at that time, the United States did everything possible to prevent him from returning to China, and he finally returned to the embrace of the motherland after going through hardships.

2. Hua

The great mathematician Hua, in "Seven? After the "7" Incident, I returned to my motherland, which was full of war against Japan, from Britain, where life was well paid. I took an active part in the anti-Japanese national salvation movement after returning to China, not for money, nor for my degree. 1950, he became an internationally renowned first-class mathematician and was hired as a tenured professor by the University of Illinois, but he resolutely led his family back to the newly liberated motherland.

3. Lin Tianxiang

Wen Tianxiang, a national hero in the Southern Song Dynasty, was defeated and captured, and spent three years in a dungeon, repeatedly refusing to discuss with the enemy. One day, Yuan Shizu Kublai Khan personally came to the dungeon to persuade him to surrender. He didn't waver, but said bluntly, "I just want to die for my country!" "

4. Dong Cunrui

1On May 25th, 948, our army attacked Longhua City. Dong Cunrui served as the leader of the blasting group and led his comrades. The company immediately launched a charge and was suddenly blocked by the fierce fire of a hidden bridge bunker. The troops were stuck in an open area, and in a critical moment, he pulled the fuse. The bunker was blown up.

5. Mao Yisheng

Mao Yisheng, a famous bridge expert, went to the United States to study at the age of 20 in 19 16, and eventually became a talent who knew both theory and technology. Americans admire him very much, and letters of appointment were sent from all over the country, asking him to be an engineer.

However, Mao Yisheng did not accept the invitation, but decided to return home. Someone in the United States advised him: "Science has no motherland and transcends national boundaries. The contribution of scientists belongs to all mankind. The conditions in China are poor, and your contribution to staying in the United States will be even greater. " Mao Yisheng replied: "Although science has no motherland, scientists have a motherland."

19 19, Mao Yisheng returned home with all his skills and began to build bridges for the country. The magnificent Qiantang River Bridge in Zhejiang was designed and built by Mao Yisheng.

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Hua's contribution to the development of mathematics in China is known as "the father of modern mathematics in China", "the god of mathematics in China" and "the people's mathematician". ?

This internationally renowned mathematician is listed as "one of the 88 great mathematicians in Chicago Science and Technology Museum today" along with several classic mathematicians in famous museums such as Smithsonian Museum and Chicago Science and Technology Museum.

1948 was elected as an academician of academia sinica. 1955 was elected as an academician of China Academy of Sciences. 1982 was elected as a foreign academician of the American Academy of Sciences. 1983 was elected as an academician of the Third World Academy of Sciences. 1985 was elected as an academician of Bavarian Academy of Sciences in Germany. He received honorary doctorates from Nancy University in France, the Chinese University of Hong Kong and the University of Illinois in the United States.

Since the founding of the People's Republic of China 60 years ago, he has been "one of 100 people who moved China".