National Museum of Nuclear Science & History
Lee Krejci worked for the United States Engineer District Office.
Mortimer Schwartz served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
George Miller was a research assistant at the University of Chicago Met Lab. He was present when Chicago Pile-1 went critical on December 2, 1942.
R. K. Edwards worked for the J.A. Jones Construction Company.
