National Museum of Nuclear Science & History
Ruby Munroe was a staff worker at Los Alamos during the Manhattan Project.
Sanford McDonnell was a mechanical engineer with the Special Engineering Detachment at Los Alamos from April 1944 to April 1946.
Thaddeus Wysocki served in the 603rd Air Engineering Squadron.
Frederic Showalter served in the First Ordnance Squadron.
