National Museum of Nuclear Science & History
Hagan worked in the United States Engineer District Office.
Charles Schallis (1898-1965) was a staff worker at Los Alamos during the Manahttan Project.
Mary Fair worked as a lab assistant at the Metallurgical Lab at the University of Chicago. She was not sure of the purpose of her work, but often used radiation detecting devices in the experiments.
John William Healy (1920-2001) worked in the field of radiation safety at Hanford during the Manhattan Project and at Los Alamos National Laboratory.
