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.
Mary E. Parrish was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ralph Alexander Gardner-Chavis (1922-) is a chemist and pioneer of hard plastics who worked at the University of Chicago’s Met Lab during the Manhattan Project.