National Museum of Nuclear Science & History
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.
Arnold Swanson served in the Army at Los Alamos during the Manhattan Project.
John Smith was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
