National Museum of Nuclear Science & History
Evans worked at the 300 Area at Hanford during the Manhattan Project.
T. H. Kent worked for the J.A. Jones Construction Company.
H. C. Seward worked for the Roane-Anderson Company.
Robert E. Armstrong was a staff member at Los Alamos during the Manhattan Project.
Vaughan worked at the 200 East and 200 West Areas at Hanford during the Manhattan Project.