National Museum of Nuclear Science & History
J. G. LeSieur, Jr. worked for the United States Engineer District Office.
Fred Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
M. O. Swanson worked for the United States Engineer District Office.
Welch worked at the 200 West Area at Hanford during the Manhattan Project.
W. G. Butler worked for the J.A. Jones Construction Company.
