National Museum of Nuclear Science & History
P. F. Elliott worked at the 200 West 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.
John P. Hove was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.