National Museum of Nuclear Science & History
E. J. Murphy worked for the United States Engineer District Office.
Lillian Sexton was a switchboard operator at the Metallurgical Laboratory in Chicago during the Manhattan Project.
C. D. Brown worked for the Edenfield Electric Company.
Winkelman worked for Stone and Webster Engineering Corporation.
John H. Williams (1908-1966) was a Canadian-American physicist. Williams transferred to Los Alamos in early 1943 and was among the first group of scientists to arrive on the Hill.