National Museum of Nuclear Science & History
Queenabelle Syvester was a staff worker at Los Alamos during the Manhattan Project.
William McCord, Jr. worked for the United States Engineer District Office.
Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Caroline “Muffy” (née Tozzer) Buchanan worked as a secretary for the Manhattan Project at Los Alamos.