National Museum of Nuclear Science & History
Rufus Addison worked for the Edenfield Electric Company.
Harper Welton was a staff worker at Los Alamos during the Manhattan Project.
Baldridge worked in the 100 B Area at Hanford during the Manhattan Project.
W. J. Cooper served in the 509th Headquarters and Base Services Squadron.
Philip Vincent was a research associate at the Chicago Met Lab during the Manhattan Project.