National Museum of Nuclear Science & History
J. J. Murphy worked for the Union Carbide & Carbon Corporation.
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.
Elizabeth Campbell was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John Alexander served in the 1st Ordnance Squadron.
