National Museum of Nuclear Science & History
O. J. Arwood worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Felix Bloch was a Swiss physicist and the winner of the 1952 Nobel Prize. Bloch was born in 1905 in Zurich, Switzerland.
Nellie Jennings was a laboratory assistant at the Metallurgical Laboratory at the University of Chicago during the Manhattan Project.
Wilam Spangler was a staff worker at Los Alamos during the Manhattan Project.