National Museum of Nuclear Science & History
Warren Poppino Spencer (1898-1969) was an American geneticist who studied low-dosage radiation as part of the Manhattan Project at the University of Rochester.
G. E. Fairchild worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John H. Martens was a research associate and chemist at the University of Chicago Met Lab and a member of the Special Engineer Detachment at Oak Ridge.