National Museum of Nuclear Science & History
Jeannette Thomas 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.
Reeder served as a sergeant in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.
Richard Popham oversaw radiation safety in the Chemistry-Metallurgy Division at Los Alamos during the Manhattan Project.
William Byrnes served in the 1st Ordnance Squadron.
