National Museum of Nuclear Science & History
A. J. Keesing worked for the Union Carbide & Carbon Corporation.
Grace Hardin worked for the J.A. Jones Construction Company.
Heater worked at the 100-D Area at Hanford during the Manhattan Project.
Clifford Nilsson served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
R. S. Stone worked for Clinton Laboratories at the X-10 Reactor.
