National Museum of Nuclear Science & History
Kearns worked for Stone and Webster Engineering Corporation.
Frank Holden was a member of the Special Engineering Detachment at Los Alamos.
B. Roswell Russell worked in the Health Group at the Metallurgical Laboratory in Chicago 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.
P. G. Kinken worked for the United States Engineer District Office.
