National Museum of Nuclear Science & History
C. R. Frazier worked for the Poe Piping & Heating Company.
Okey B. Ellison was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
M. L. Seay served in the 393rd Bombardment Squadron.
Robert E. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.