Chester S. Krajczynski

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.

Opal MacDonald

Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

H. W. Dube

H. W. Dube served in the 390th Air Service Group.

J. P. Knox