National Museum of Nuclear Science & History
L. W. Stark worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Chemist Orville Hill joined the Met Lab at the University of Chicago in May of 1942, three months after it was created.
Robert B. Duffield was a Researcher at the Los Alamos National Laboratory from 1943 to 1946. He later worked at the Argonne National Lab.