National Museum of Nuclear Science & History
Joe McKibben was born and raised in rural Missouri before obtaining a PhD in physics from the University of Wisconsin.
T. R. Young worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Arno Roensch joined the army in 1944. A glassblower, he was deployed to work at Los Alamos. He was married to Eleanor Roensch, also a Manhattan Project veteran.