National Museum of Nuclear Science & History
Davidson worked in the United States Engineer District Office.
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.
Raleigh K. Deprang served in the 393rd Bombardment Squadron.
Frank E. Keene was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
