National Museum of Nuclear Science & History
Elvin Krieble worked for the United States Engineer District Office.
H.A. Fettinger was a junior physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Marian Pinckard was a lab technician in the Chemistry Division of the Chicago Met Lab during the Manhattan Project.
B. Stillwell served in the 390th Air Service Group.