National Museum of Nuclear Science & History
H. T. Ledford worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Frank V. Kowalski served in the 1027th Air Material Squadron.
Bellas worked in the 100-F Area at Hanford during the Manhattan Project.
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.
