National Museum of Nuclear Science & History
Briggs worked at the 100-D Area at Hanford during the Manhattan Project.
Helen Williams was a stenographer and clerk at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Robert E. Smithson served as a master sergeant in the the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Strange Cargo.
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.
