National Museum of Nuclear Science & History
Kelley worked in the 100 F Area at Hanford during the Manhattan Project.
Marion C. Fowler, Jr. served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Next Objective.
Helena Calloway was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.