National Museum of Nuclear Science & History
Smith worked at the 200 East Area at Hanford during the Manhattan Project.
Woitto T. Laine served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Necessary Evil.
McCullough worked in the 100 D Area at Hanford during the Manhattan Project.
Helena Calloway was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
