National Museum of Nuclear Science & History
Harding worked at the 300 Area at Hanford during the Manhattan Project.
H.W. was a consultant at Metallurgical Laboratory in Chicago during the Manhattan Project.
Engel worked in the United States Engineer District Office.
Carl C. Mason 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 Up An’ Atom.
