National Museum of Nuclear Science & History
Addison worked in the United States Engineer District Office.
Goodman worked in the United States Engineer District Office.
N. J. Johnson worked for Hanley & Company.
Julius “Osty” Ostspowicz was a glassblower in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
Andrew Welch was a janitor at the Chicago Met Lab during the Manhattan Project.
