National Museum of Nuclear Science & History
V. J. Johnson worked for the Union Carbide & Carbon Corporation.
Joseph L. Ross served in the radar section of the 393rd Bombardment Squadron.
Ardis (Thomas) Monk was a research assistant and mathematician at the University of Chicago Met Lab, where she performed computations for Eugene Wigner’s theoretical physics group.
Okey B. Ellison was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
