Chien-Shiung Wu (1912-1997) was a Chinese American physicist.
During the Manhattan Project, she worked at Columbia University, helping develop the process for separating uranium metal into U-235 and U-238 isotopes by gaseous diffusion. This process was replicated at a grand scale at the K-25 Plant in Oak Ridge. She also developed improved Geiger counters for measuring nuclear radiation levels. She is believed to have been the only Chinese person to have worked on the Manhattan Project.
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