National Museum of Nuclear Science & History
J. P. Smith worked for the J.A. Jones Construction Company.
Clatworthy worked at the 200 West Area at Hanford during the Manhattan Project.
Andrew Polich was a staff worker at Los Alamos during the Manhattan Project.
Harlan Tyne worked for the United States Engineer District Office.
W. E. Brewer worked for the Roane-Anderson Company.