H. R. Smith

Tip Kelley

E. C. Harshbarger

E. C. Harshbarger worked for the Roane-Anderson Company.

Jose A. Valdez

Jose A. Valdez was a staff worker at Los Alamos during the Manhattan Project.

Edward P. Hayes

Edward P. Hayes was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.