National Museum of Nuclear Science & History
Du Flo worked in the United States Engineer District Office.
Felipe was a staff member at Los Alamos during the Manhattan Project.
Julius “Osty” Ostspowicz was a glassblower in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
Edward Littleton was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
