National Museum of Nuclear Science & History
Zen B. Portwood worked for the J.A. Jones Construction Company.
L. W. Nordheim worked for Clinton Laboratories at the X-10 Reactor.
Haydn Jones was a research assistant in the Physics Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Gunhild Swanson was a staff worker at Los Alamos during the Manhattan Project.
C. L. Fields worked for the Tennessee Eastman Corporation at the Y-12 Plant.
