National Museum of Nuclear Science & History
Crawford worked in the United States Engineer District Office.
Myrtle E. Karcher was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Wallace Stone worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.