National Museum of Nuclear Science & History
S. M. MacNeille worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ubaldo Sanchez was a staff worker at Los Alamos during the Manhattan Project.
Mary Stephens worked for the United States Engineer District Office.
Ethaline Hartge Cortelyou was a junior chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
