Today, 113 years ago, on May 31, 1912 (April 15, 1912), Wu was born. Wu, born on May 31, 1912 in Jiangsu Province, an American physicist. Studied at the University of California in 1936. After receiving a PhD in Philosophy in 1940, taught at the Smiths College and Princeton University. In 1944, Wu, a scientist at the Department of War Research at the University of Columbia, engaged in radiation detection research. He still worked at the University after the war, and in 1957 was appointed Professor of Physics at DuPont. In 1956, Lee and Yang Jingning of the University of Columbia and Princeton Advanced Institute of Advanced Studies proposed the interaction of nuclear weakness, and Wu and scientists of the National Bureau of Standards in 1957 tested this theory, which was observed by 60 stations