National Museum of Nuclear Science & History
Manning worked for Stone and Webster Engineering Corporation.
Charles W. Rich 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 Laggin’ Dragon.
Pfeiff worked in the 200 West Area at Hanford during the Manhattan Project.
M. W. Adelman worked for the Roane-Anderson Company.