National Museum of Nuclear Science & History
Jack Powers worked for the J.A. Jones Construction Company.
Joe McKibben was born and raised in rural Missouri before obtaining a PhD in physics from the University of Wisconsin.
Robert Barker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Robert JS Brown was a member of the Special Engineer Detachment at Los Alamos. He worked under Don Hornig on the electrical aspects of detonation for the plutonium bomb.
W. A. Gracey worked for the Roane-Anderson Company.
