National Museum of Nuclear Science & History
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
J. Laurino served in the 390th Air Service Group.
Oscar J. Thigpen served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Top Secret.
Browning Middleton worked for Clinton Laboratories at the X-10 Reactor.