National Museum of Nuclear Science & History
G. C. Kinneman worked for the Bethlehem Steel Corporation.
Charles F. McKnight served as a captain in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.
Ostdahl worked in the 200 West Area at Hanford during the Manhattan Project.
Litchfield worked in the 100 F Area at Hanford during the Manhattan Project.