National Museum of Nuclear Science & History
J. S. Staples worked for the Fercleve Corporation.
Calvin B. Popwell served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Big Stink, and he and his crew were later reassigned to Luke the Spook.
Anna Zakoian was a laboratory technician in the Health Division at the University of Chicago Met Lab.
Henderson worked at the 100-D Area at Hanford during the Manhattan Project.