S. M. Carmack

D. E. Smiley

Olga D. Nelson

Olga Nelson was a staff worker at Los Alamos during the Manhattan Project.

P. R. Engles

P. R. Engles worked at the 300 Area at Hanford during the Manhattan Project.

Charles J. Spiegl

Charles J. Spiegl was a civilian scientist employed by the Manhattan Project. He was involved in radiation toxicology, studying the effects of radiation on animals at the Trinity Site near Alamogordo, New Mexico.