1. Xu Xiake

Xu Xiake was born in a famous and wealthy family in Jiangyin, South Zhili (now Jiangyin City, Jiangsu Province). His ancestors were all scholars. Throughout his life, he did not want to be an official or associate with powerful people. He liked to travel around and enjoy the landscape. Xu Xiake's travels were not simply to seek out wonders, but more importantly, to explore the mysteries of nature and find its laws. His investigations and research on mountains, waterways, geology and landforms have made achievements beyond those of his predecessors.

2. Sakyamuni

Sakyamuni was the prince of King Suddhodana of Kapilavastu in northern India (near Tirolakote in southern Nepal today) and belonged to the Buddhist temple. Dili caste. His mother, Mrs. Maya, is the daughter of the king of the neighboring Koli tribe. Sakyamuni received traditional Brahmin education when he was young. When he was 29 years old (some say he was 19 years old), he felt the various sufferings of birth, old age, illness and death in the world. In addition, the Sakyamuni clan was facing the threat of war and annihilation. The Brahmans at that time were dissatisfied and abandoned their royal life to become monks and practice Taoism.

3. Hua Luogeng?

In 1936, he visited the University of Cambridge in England; in 1938, he was appointed as a professor at Tsinghua University; in 1946, he was appointed as a researcher at the Princeton Institute of Mathematics, Princeton University and Illinois University professor; was elected as an academician of Academia Sinica in 1948; arrived in Beijing from the United States via Hong Kong in the spring of 1950, and wrote an "Open Letter to All Chinese Students Studying in the United States" on his way back to China. He then returned to Tsinghua University and served as the dean of the Department of Mathematics at Tsinghua University. ;

4. Qian Xuesen

In 1949, when the news of the birth of the People's Republic of China reached the United States, Qian Xuesen and his wife Jiang Ying discussed rushing back to the motherland as soon as possible. , serve their country. In the early 1950s, news of Qian Xuesen's persecution in the United States quickly spread to China, and friends in China's scientific and technological circles supported Qian Xuesen through various channels.

The Party Central Committee is extremely concerned about Qian Xuesen’s situation in the United States. The Chinese government publicly issued a statement condemning the US government for imprisoning Qian Xuesen against his will. In 1955, after Premier Zhou Enlai's continuous efforts in diplomatic negotiations with the United States, which even included the release of 11 US military pilots captured in the Korean War in exchange, on August 4, 1955, Qian Xuesen received permission from the US Immigration Service to allow him to Notice of return home.

5. Bethune

He was a Canadian and lived a prosperous life. In order to support China's Anti-Japanese War, he traveled thousands of miles to China and gave up his precious life.