National Museum of Nuclear Science & History
A. A. Nickman worked for the Kellex Corporation at the K-25 Plant.
Horace Owen France was an associate biologist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Sanford McDonnell was a mechanical engineer with the Special Engineering Detachment at Los Alamos from April 1944 to April 1946.
Helen E. Krinek was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
