National Museum of Nuclear Science & History
Harold Katz worked for the Roane-Anderson Company.
Hatfield worked in the United States Engineer District Office.
Janice E. Kingslow was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John V. Williams served in the 320th Troop Carrier Squadron.
Diamond worked in the United States Engineer District Office.