National Museum of Nuclear Science & History
Samuel R. Wheeler served as a sergeant in the 393 Bombardment Squadron. He was the assistant engineer regularly assigned to the B-29 Strange Cargo.
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.
William E. Caldes studied chemical engineering at Princeton University. In 1943, he was recruited to join the Manhattan Project, and became the 19th project member at Los Alamos.
