National Museum of Nuclear Science & History
Roos worked at the 300 Area and the 200 West Area at Hanford during the Manhattan Project.
Harold J. Rider served as a 2nd lieutenant in the 393rd Bombardment Squadron of the 509th Composite Group.
John J. Lesniewski 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 Enola Gay.
