National Museum of Nuclear Science & History
L. J. Ritter worked for the Roane-Anderson Company.
Stewart worked for Stone and Webster Engineering Corporation.
J. F. Joyner worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
