National Museum of Nuclear Science & History
R. J. McLeod worked for the United States Engineer District Office.
Stanley G. Steinke was a second lieutenant in the 393rd Bombardment Squadron of the 509th Composite Group.
James McIntosh was a draftsman at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Angeline Sniegoski was a staff worker at Los Alamos during the Manhattan Project.
