National Museum of Nuclear Science & History
Samuel Smith was a staff worker at Los Alamos during the Manhattan Project.
Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. J. Tulley worked for the Fercleve Corporation.
Joseph A. Zangre served in the 390th Air Service Group.
Clarence W. Hartman served in the 393rd Bombardment Squadron.