National Museum of Nuclear Science & History
James B. Snodgrass was a member of the Mounted Military Police working on site security at Los Alamos and the Trinity test site.
Before the war Oswald Greager was a high-ranking DuPont chemist. He took leave from DuPont in 1942 to join the Army's Chemical Warfare Service.
Alfanso Sandoval was a staff worker at Los Alamos during the Manhattan Project.
