National Museum of Nuclear Science & History
Copeland worked in the United States Engineer District Office.
I. P. Grill served in the 390th Air Service Group.
Charles F. McKnight served as a captain in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.
Gloria A. Larranaga was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”0 during the Manhattan Project.