1 and 1950, mathematician Hua gave up his tenure as a professor in the United States and returned to the motherland. After returning to China, Hua studied applied mathematics, covering 23 provinces, municipalities and autonomous regions, and solved a large number of practical problems in production with mathematics, so he was called "people's mathematician".
2. Lu Xun studied medicine because he wanted to transform China people physically. He abandoned medicine and joined the army because he witnessed the Japanese killing China people in China. He felt that the spirit of China people was even weaker than the body, and he realized that he wanted to cure the national diseases from a cultural perspective.
3. Zhan Tianyou was born in a civilian family, with no noble blood and no rich family background. Even if he was admitted to the first batch of overseas official students in the Qing Dynasty, he was only one of 120 people. A commoner's son, born with his duty, is upright and determined, has no bad habit of speculation, does not know how to follow the trend of the times, does not run the door of the powerful, does not wander around romantic places, studies hard, works rigorously and conscientiously, is neither humble nor humble, and works conscientiously.