National Museum of Nuclear Science & History
Luis Romero was a staff worker at Los Alamos during the Manhattan Project.
Irvin F. Poehls served as a technical sergeant in the 390th Air Service Group.
Roberta A. Edwards was a lab technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Belcher worked in the United States Engineer District Office.
