National Museum of Nuclear Science & History
Jack L. Callan was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Armstrong worked at the 200 West and 300 Areas 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.
