National Museum of Nuclear Science & History
Paul Willard was a staff worker at Los Alamos during the Manhattan Project.
J. O. Parks worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Sadelle T. Greenblatt was a research assistant in the Instruments Division of the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
Edna Sypult was a laboratory helper at the Metallurgical Laboratory in Chicago during the Manhattan Project.