National Museum of Nuclear Science & History
C. A. Rolander worked for the United States Engineer District Office.
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.
D. N. Kelly worked for the J.A. Jones Construction Company.
R. M. Ayers worked for the Roane-Anderson Company.
