Granville K. Hartley

Wilmer C. Sadler

R. F. Campbell

Campbell worked for Stone and Webster Engineering Corporation.

Lawrence Glendenin

Lawrence Glendenin was a research assistant in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Judd Taylor

Judd Taylor was a staff worker at Los Alamos during the Manhattan Project.