National Museum of Nuclear Science & History
Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Adele Koskosky was a laboratory technician in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Juan Romero was a staff worker at Los Alamos during the Manhattan Project.
Francis Bell III served in the 393rd Bombardment Squadron.