National Museum of Nuclear Science & History
J. A. Copeland worked for the Poe Piping & Heating Company.
Nellie Jennings was a laboratory assistant at the Metallurgical Laboratory at the University of Chicago during the Manhattan Project.
Stewart W. Williams served as a 1st lieutenant in the 393rd Bombardment Squadron of the 509th Composite Group.
Sam Sandoval was a staff worker at Los Alamos during the Manhattan Project.