National Museum of Nuclear Science & History
W. E. Allender worked for the Fercleve Corporation.
H. R. Chapman worked for the H. K. Ferguson 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.
Graydon Whitman arrived at Oak Ridge in March 1944, where he began work at the Y-12 separations facility.
