National Museum of Nuclear Science & History
Doris Dixon was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Aldrich worked in the United States Engineer District Office.
Tranquilino Armigo was a staff member at Los Alamos during the Manhattan Project.
John Arnold joined the Manhattan Project in 1943 when the MED tasked his employer, the Kellogg Corporation, with developing a special barrier for the gaseous diffusion plant in Oak Ridge.
