National Museum of Nuclear Science & History
A. J. MacDonald worked for the Union Carbide & Carbon Corporation.
Ledbetter worked in the 200 East Area at Hanford during the Manhattan Project.
J. P. Smith worked for the J.A. Jones Construction Company.
Lawrence J. Sweitzer served in the 1027th Air Material Squadron.
Zen B. Portwood worked for the J.A. Jones Construction Company.
