National Museum of Nuclear Science & History
H. A. Smith worked for the J.A. Jones Construction Company.
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.
Charles R. Wolfe served in the 603rd Air Engineering Squadron.
John Riddle was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
