National Museum of Nuclear Science & History
Chapman worked at the 200 West Area at Hanford during the Manhattan Project.
Pettengill served in the 393rd Bombardment Squadron.
C. H. Lawson worked for the Roane-Anderson Company.
Donald D. Beaudette served as a technical sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Straight Flush.
