National Museum of Nuclear Science & History
John DoLong was a guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Jose Ortiz was a staff worker at Los Alamos during the Manhattan Project.
Herschel Warren was a staff worker at Los Alamos during the Manhattan Project.
Alfred Carson was a mechanical engineer in the Special Engineering Detachment, and spent time at both Oak Ridge, Tennessee, and Los Alamos, New Mexico.
C. L. McCallum worked for the Tennessee Eastman Corporation at the Y-12 Plant.