National Museum of Nuclear Science & History
H. F. Koch worked for the Tennessee Eastman Corporation at the Y-12 Plant.
L. E. Johnston worked for the United States Engineer District Office.
Madeline Sohn was a research assistant in the chemistry division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
William J. Larkin worked in Project Alberta as part of the team that transported and assembled the Little Boy and Fat Man atomic bombs.
