National Museum of Nuclear Science & History
Walter Youngs, Jr. worked for the United States Engineer District Office.
Horace Owen France was an associate biologist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. G. Chmielewski was a carpenter at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Lillie May Porter was laboratory assistant in the Chemistry Division of the Chicago Met Lab during the Manhattan Project.
