National Museum of Nuclear Science & History
Ralph Graves worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Edward Shapiro was an American scientist and Manhattan Project veteran. After receiving a Ph.D. from Purdue University, Shapiro worked as a research associate for the Manhattan Project at the Metallurgical Laboratory in Chicago and at Oak Ridge.
Helene Smith was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.