National Museum of Nuclear Science & History
H. H. Wilson worked for the United States Engineer District Office.
Helgeson worked at the 300 Area at Hanford during the Manhattan Project.
J. H. Neumann worked for the J.A. Jones Construction Company.
H. P. Holloway worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Rufus Addison worked for the Edenfield Electric Company.
