National Museum of Nuclear Science & History
Joseph was a staff member at Los Alamos during the Manhattan Project.
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.
Spencer Thomas worked for the United States Engineer District Office.
Matoske worked in the 300 Area at Hanford during the Manhattan Project.
