During the year China lost the Sino-Japanese War (1895),he was bo in this poor and weak country.In the year the May 4th Movement broke out (1919),he traveled across the oceans to the United States with the ambition of saving the nation by science.It was in the year the Northe Expedition was declared (1926),he retued to his motherland and dedicated himself to science.He was Prof.Ju-Chi Li (Fig.1),the famous biologist and one of the pioneers and founders of mode genetics in China.