National Museum of Nuclear Science & History
R. A. Fetterman served in the 509th Headquarters and Base Services Squadron.
Edwin C. Hudgens served in the 1st Ordnance Squadron.
John E. Dhonau served in the 393rd Bombardment Squadron.
John Arnold joined the Manhattan Project in 1943 when the MED tasked his employer, the Kellogg Corporation, with developing a special barrier for the gaseous diffusion plant in Oak Ridge.
