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.
Pierce worked in the 200 West Area at Hanford during the Manhattan Project.
Nannilee Saunders set up the elementary at Los Alamos, NM, during the Manhattan Project. She began to work at Los Alamos in August 1943, working for 11 months while on a leave of absence from a college in Chicago.