National Museum of Nuclear Science & History
Ira Jones worked for the United States Engineer District Office.
Grinus worked at the 100 F Area at Hanford during the Manhattan Project.
Arnold E. Sleipnes served as a techical sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Top Secret.
A. W. Alexander worked for the Tennessee Eastman Corporation at the Y-12 Plant.
