National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
John L. Willoughby served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Bockscar.
H. L. McKinnon worked for the Tulip Town Super Market.
Dixie Wallace was a staff worker at Los Alamos during the Manhattan Project.
