National Museum of Nuclear Science & History
M. J. Gustafson worked for the J.A. Jones Construction Company.
Martha G. Johnson was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Chapman worked at the 200 West Area at Hanford during the Manhattan Project.
M. O. Swanson worked for the United States Engineer District Office.
