National Museum of Nuclear Science & History
Paul Murphy worked for the Roane-Anderson Company.
Richard Emanatian was with the military police detachment at Los Alamos during the war. He maintained secrecy through the rest of his life, and his family only found about his involvement long after his death.
M. J. O'Hara worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Dee McCullough began working as an instrument technician at Hanford in early 1944. As a former sound engineer, McCullough was tasked with installing nuclear safety monitors on the reactors at Hanford.