National Museum of Nuclear Science & History
John Rogers worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Du Flo worked in the United States Engineer District Office.
Edward Padgett was a staff worker at Los Alamos during the Manhattan Project.
T. J. Costello worked for the Comstock-Bryant Electric Company.
W. Maddox worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.