National Museum of Nuclear Science & History
Hill worked at the 100-D Area at Hanford during the Manhattan Project.
Babcock worked at the 300 Area at Hanford during the Manhattan Project.
Hiser worked at the 300 Area at Hanford during the Manhattan Project.
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.