National Museum of Nuclear Science & History
Arthur Weisberg was a mechanical engineer with the Special Engineer Detachment assigned to the Metallurgical Lab at the University of Chicago.
Ruth K. (McNunis) Bansch was a laboratory technician in the Health Division at the University of Chicago Met Lab.
Horace Mahorney was a chemical engineer at the Y-12 plant in Oak Ridge, Tennessee. From September 1943 to November 1945, Mahorney was an operator of the mass spectrometer with Dr.