National Museum of Nuclear Science & History
Barton B. Crespin served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Necessary Evil.
Joanna Brumfiel was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Marshall worked in the 100 D Area at Hanford during the Manhattan Project.
