Charles M. Gilbert

F.A. Ragland

John H. Williams

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.

I.R. Robertson

Thomas J. Braswell

Thomas Braswell worked on the assembly line for Mallinckrodt Chemical, a civilian contractor for the Manhattan Project in St.