National Museum of Nuclear Science & History
J. P. Smith worked for the J.A. Jones Construction Company.
A. D. Levitt worked for the United States Engineer District Office.
E. C. Gunneau worked for the Edenfield Electric Company.
Church worked at the 200 East Area at Hanford during the Manhattan Project.
E. S. Ryan, Jr. worked for the Poe Piping & Heating Company.
