National Museum of Nuclear Science & History
John Sullivan was a staff worker at Los Alamos during the Manhattan Project.
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.
Edward Padgett was a staff worker at Los Alamos during the Manhattan Project.
Hirst worked at the 100-D Area at Hanford during the Manhattan Project.
A. L. Barber worked for the H. K. Ferguson Company.