National Museum of Nuclear Science & History
Henry Mouk was a staff worker at Los Alamos during the Manhattan Project.
A. L. Headrick served in the 390th Air Service Group.
Acie Singleton was a laborator helper at the Metallurgical Laboratory in Chicago during the Manhattan Project.
DePersio worked in the United States Engineer District Office.
Helen E. Krinek was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
