National Museum of Nuclear Science & History
M. P. Lafleur worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ralph R. Tison served in the 393rd Bombardment Squadron.
Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. K. Rouse worked for the Poe Piping & Heating Company.
