National Museum of Nuclear Science & History
William E. Adams was a staff worker at Los Alamos during the Manhattan Project.
Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
H. L. Dickenson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Clarke C. Mathison served in the 320th Troop Carrier Squadron.