National Museum of Nuclear Science & History
Butts worked for Stone and Webster Engineering Corporation.
Irvine McKey served in the 603rd Air Engineering Squadron.
William T. Schultz served in the First Ordnance Squadron.
Miller worked in the 200 West Area at Hanford during the Manhattan Project.
Sanford McDonnell was a mechanical engineer with the Special Engineering Detachment at Los Alamos from April 1944 to April 1946.