 20 years ago, working photos in the conference room of the Institute of Physics of the  Chinese Academy of Sciences , with Academician Li Fanghua on the right and Academician Fan Haifu on the second. Fan Haifu is an academician of the Chinese Academy of Sciences and an academician of the Third World Academy of Sciences .
<meaning-changed>  20 years ago, working photos in the conference room of the Institute of Physics of the  Chinese Academy of Sciences , with Academician Li Fanghua on the right and Academician Fan Haifu on the second. Fan Haifu is an academician of the Chinese Academy of Sciences and an academician of the Third World Academy of Sciences .
 20 years ago, working photos in the conference room of the Institute of Physics of the Chinese Academy of Sciences in 1993 and a fellow of The World Academy of Sciences .