National Museum of Nuclear Science & History
Hannoch worked in the United States Engineer District Office.
Dorothea lived in Chicago and was assigned to Dr. Robert Oppenheimer’s office in Los Alamos during the Manhattan Project.
E. L. Taliaferro worked for the Roane-Anderson Company.
Mary M. Dailey was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.