National Museum of Nuclear Science & History
W. T. Simpson worked for the Roane-Anderson Company.
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.
R. L. Milling worked for the J.A. Jones Construction Company.
J. P. Clark worked for the Roane-Anderson Company.
