National Museum of Nuclear Science & History
A. H. Weil worked for the United States Engineer District Office.
Horace Owen France was an associate biologist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Dorothea lived in Chicago and was assigned to Dr. Robert Oppenheimer’s office in Los Alamos during the Manhattan Project.
N. J. Holland worked for the Roane-Anderson Company.