The great mathematician Hua, in "Seven? 6? After the 6.5438+0.7 Incident, he returned to War of Resistance against Japanese Aggression's motherland, not for money or a degree, and took an active part in the anti-Japanese national salvation movement after returning home. 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.