National Museum of Nuclear Science & History
H. P. Graves worked in the United States Engineer District Office.
Emmert L. Nelson served in the 393rd Bombardment Squadron.
Grizzell worked in the United States Engineer District Office.
Nielsen worked at the 300 Area at Hanford during the Manhattan Project.
Edgar A. Poe Jr. 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 Necessary Evil.
