National Museum of Nuclear Science & History
T. F. Walsh worked for the United States Engineer District Office.
H. S. Russell worked for the Roane-Anderson Company.
G. O. Robinson, Jr. worked for the United States Engineer District Office.
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.