John M. Purdum

E. E. Kirkwood

E. E. Kirkwood worked for the Tennessee Eastman Corporation at the Y-12 Plant.

David Gurlinsky

David Gurlinsky was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Harold White

Joseph Levinger

Joseph Levinger was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.