National Museum of Nuclear Science & History
Manning worked for Stone and Webster Engineering Corporation.
Jas Welch worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Lawrence Rosenburg was a staff worker at Los Alamos during the Manhattan Project.
