Clifton W. Reed

J. B. Gergen

N. J. Johnson

N. J. Johnson worked for Hanley & Company.

Ogle W. Hess

Olge W. Hess was a research assistant at the University of Chicago’s Metallurgical Laboratory.

Gioacchino Failla

Gioacchino Failla was an Italian-American physicist who served as a consultant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.