[Bright recovery] One of the Chinese Academy of Pioneers, the academician of the Chinese Academy of Physics, the academician, high-molecular physics and physicist, and the teachers of Nanjing University, who was invalidated due to medical treatment, on February 7, 2021, passed away in Guangzhou,Enjoy 93 years old.When Cheng Yu, I was born in Yixing, Jiangsu, October 18, 1927.

In 1949, he graduated from the Department of Chemistry, Jinling University. He graduated from the Graduate School of Peking University in 1951.In 1991, he was elected as a member of the Academy of Sciences (Academician).

  In the early years, the study of polymer molecular characterization and solution viscosity study was carried out, and the results of polymer solution aggregation process were taken.When Cheng Wei, the scientific research advocated bold breakthrough, brave in innovation, he has been teaching students: "If it is always going to study the things that people have studied, they will never reach the forefront of the discipline and scientific top peaks."

(Guangming Daily Full Media Reporter Li Yuan).