Robert L. Hostetler

O.R. Simpson

O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah.

Nora L. Rossi

Nora Lombroso Rossi was a staff worker at Los Alamos during the Manhattan Project. She was married to physicist Bruno Rossi.

Marvin Tetenbaum

Marvin Tetenbaum was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Richard K. Walters