National Museum of Nuclear Science & History
Blackstone worked in the United States Engineer District Office.
John Crawford was a physicist and research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Robert Holmberg was born in Fort Dodge, Iowa, and began working on the Manhattan Project at the Chicago Met Lab and at Ames Laboratory in Iowa.
M. C. Barto worked for the Roane-Anderson Company.
