The first generation academic master: Mr. Guonong Nan, one of the founders of audio-visual education (educational technology) in China, ranked first. Dear Mr. Nan passed away, and I personally went to the wake for two days.

The second generation of experts: He Kekang, Li Kedong, Zhu Zhiting, Sang Xinmin, Ding Xingfu, Ding Xin, Xu Fuyin, Yang Gaixue, Li Long and dozens of others.

The third generation of experts: Li Bianhou, Yu Shengquan, Zhong Zhixian, Ren Youqun,,, and so on.

Educational technology is developing vigorously at present, and I am already a master of educational technology. I hope everyone will work together to promote the prosperity of the discipline ~