National Museum of Nuclear Science & History
Frank Case, Jr. 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.
Walter E. Jordan worked on the Manhattan Project as an employee of DuPont on the physics staff. He worked at the University of Chicago and Hanford, WA.
Hill worked at the 100-D Area at Hanford during the Manhattan Project.