National Museum of Nuclear Science & History
C. E. Mitchell worked for the Roane-Anderson Company.
O’Black worked in the 200 East Area at Hanford during the Manhattan Project.
Margaret M. Emmerson was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Marvin Wilkening, a physicist, traveled the Grand Circuit of the Manhattan Project, pursuing his specialty of measuring neutron intensity.
