National Museum of Nuclear Science & History
Charles Mayette worked for Hanley & Company.
Francis J. Schramke 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 Top Secret.
E. C. Harshbarger worked for the Roane-Anderson Company.
Helene Smith was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Huson worked for Stone and Webster Engineering Corporation.