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.
John Chipman was an American engineer. Chipman was born in 1897 in Tallahassee, Florida. He received B.
Florence Morrison worked for the United States Engineer District Office.
L. Z. Dolan worked for the Tennessee Eastman Corporation at the Y-12 Plant.
