National Museum of Nuclear Science & History
A. S. Preston worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Robert B. Duffield was a Researcher at the Los Alamos National Laboratory from 1943 to 1946. He later worked at the Argonne National Lab.
Ole G. Landsverk was a member of the health physics team at the University of Chicago Metallurgical Laboratory during the Manhattan Project.
