National Museum of Nuclear Science & History
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.
Creekmore worked at the 100-F Area at Hanford during the Manhattan Project.
Attended Washington University.
Raphael Semmes worked for Clinton Laboratories at the X-10 Reactor.
