National Museum of Nuclear Science & History
Vito Di Rienzo worked in bomb assembly for the 1st Ordinance Squadron, 509th Composite Group. Di Rienzo was drafted into the military in 1943 at the age of 20.
Marguerite Swift was an associate physiologist in the Health Division at the Metallurgical Laboratory in Chicago 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.
