中国物理学会成立已五十年了.回想起物理学会成立时,我正在北京大学理预科作学生.那时马神庙北大理学院里学术气氛比较自由,有什么学术报告都可以去听;本科的课,预科的学生也可坐在后面旁听,我当时也是时常去听本科的课的.当时,我本来想学电机工程,但听了物理系的本科的课程以 The Chinese Physics Society has been established for 50 years.Remembering the founding of the Physics Society, I was working as a Pre-Master in Peking University, when the academic atmosphere at the Temple of the North Dali University was relatively free and any academic reports could be heard. Of course, matriculation students can sit in the back to listen, I was often to listen to undergraduate classes.At that time, I originally wanted to learn electrical engineering, but after listening to undergraduate courses in physics