National Museum of Nuclear Science & History
Fred Blackwell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Robert Stone was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Nielsen worked at the 300 Area at Hanford during the Manhattan Project.
Robert Spencer Stone (1895-1966) was a radiologist and headed the Health Division of the Chicago Metallurgical Laboratory (Met Lab) during the Manhattan Project.
