National Museum of Nuclear Science & History
Sanford McDonnell was a mechanical engineer with the Special Engineering Detachment at Los Alamos from April 1944 to April 1946.
Kittrell worked for Stone and Webster Engineering Corporation.
Dr. Julia Maestas is the granddaughter of Manuel Maestas, a homesteader at Los Alamos, and daughter of Elipio Maestas, who worked as a civil guard for the Corps of Engineers at Los Alamos.