National Museum of Nuclear Science & History
H. M. Metcalf worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph M. DiJulio served as a sergeant in the 393rd Bombardment Squadron. He was regularly assigned as a radar operator on the Up An’ Atom, but did not fly in that plane during the August 1945 bombing missions on Hiroshima and Nagasaki.
Bertrand Goldschmidt was a French chemist, who worked at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.