National Museum of Nuclear Science & History
H. M. Schenk worked for the United States Engineer District Office.
Marian Pinckard was a lab technician in the Chemistry Division of the Chicago Met Lab during the Manhattan Project.
N. W. Kemper worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Margaret M. Emmerson was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
