National Museum of Nuclear Science & History
Nelson C. Baker was a lieutenant working as an executive officer to Captain Palmer in the Second Provisional Special Engineer Detachment at Los Alamos.
Annie Prothrow was a laboratory assistant in the Chemistry Divison of the Chicago Met Lab during the Manhattan Project.
Minnie (Heller) Steinberg was a junior biologist in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
