National Museum of Nuclear Science & History
G. C. Kreis worked for the J.A. Jones Construction Company.
Gertrude Nissenbaum was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Heatherington worked for Stone and Webster Engineering Corporation.
Gene Newlin served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
