National Museum of Nuclear Science & History
A. L. Johnson worked for the J.A. Johnson Construction Company.
E. A. McCaskill worked for the United States Engineer District Office.
Casimer J. Borkowski was the group leader of the Instruments and Physical Measurements Group for Clinton Laboratories at the X-10 Reactor.
O. W. Childs worked for the Tennessee Eastman Corporation at the Y-12 Plant.
