National Museum of Nuclear Science & History
Clarence Schalia 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.
Ryan worked at the 100-B Area at Hanford during the Manhattan Project.
Curtis worked at the 300 Area at Hanford during the Manhattan Project.