National Museum of Nuclear Science & History
Ubaldo Sanchez was a staff worker at Los Alamos during the Manhattan Project.
Sayers worked for Stone and Webster Engineering Corporation.
M. L. Olsgaard worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Francis Bernard “Bernie” Donlan was an American photographer and a clerk at the Chicago Met Lab during the Manhattan Project.
Magdaline Penny worked for the United States Engineer District Office.
