National Museum of Nuclear Science & History
Waverly Smith was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Jean Marley O’Leary began working for General Leslie Groves in June 1941, when she was hired as his personal secretary.
William “Willie” H. Zachariasen was a physicist and consultant at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Clayton Vogt worked for the United States Engineer District Office.