National Museum of Nuclear Science & History
N. C. Parrish worked for the United States Engineer District Office.
Ruth Hillard was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John Perry Howe, Jr. was Associate Director at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Willard G. Knox served in the 603rd Air Engineering Squadron.