National Museum of Nuclear Science & History
Darwin C. Lewis served in the 509th Headquarters and Base Services Squadron.
O. L. Koch worked for the Midwest Piping and Supply Company.
Carolyn Beatrice Parker was born in Gainesville in 1917, during the Jim Crow era. Her father, Dr. Julius A.
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.