He was a vice president of Chinese Academy of Science.
Born in Yinxian, Zhejiang province, Tong graduated from Fudan University in 1924 with a degree in biology, and received a PhD in zoology in 1930 from Free University Brussels.
In 1963, Tong inserted DNA of a male carp into the egg of a female carp and became the first to successfully clone a fish.
Tong was also an academician at the Chinese Academy of Sciences and the first director of its Institute of Oceanology from its founding in 1950 until 1978.
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