National Museum of Nuclear Science & History
E. M. Rogers worked for the United States Engineer District Office.
H. S. Mantooth worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Julius “Osty” Ostspowicz was a glassblower in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
Alexander Glon was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.