National Museum of Nuclear Science & History
A. J. MacDonald worked for the Union Carbide & Carbon Corporation.
Carlson worked for Stone and Webster Engineering Corporation.
H. M. Toms worked for the Roane-Anderson Company.
L. D. Worrel worked for the Roane-Anderson Company.
George Ponton served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.