National Museum of Nuclear Science & History
F. F. Brown worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Keene worked in the 200 East area at Hanford during the Manhattan Project.
Schroeder worked at the 100-D Area at Hanford during the Manhattan Project.
Robert B. Duffield was a Researcher at the Los Alamos National Laboratory from 1943 to 1946. He later worked at the Argonne National Lab.