National Museum of Nuclear Science & History
Tracy worked for Stone and Webster Engineering Corporation.
Winston was born in April, 1921 in Washburn, WI (where his father was the mayor) and graduated from Washburn High School, Washburn, WI in 1939.
L. Mayer worked for the Watson-Flagg Engineering Company.
Robert B. Duffield was a Researcher at the Los Alamos National Laboratory from 1943 to 1946. He later worked at the Argonne National Lab.