National Museum of Nuclear Science & History
Grace Wallace worked for the United States Engineer District Office.
L. F. Preston worked for the United States Engineer District Office.
R. Boyd worked for the Comstock-Bryant Electric Company.
Mark Fred was a research assistant in the chemistry division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Lawrence Kimpton was the Chief Administrative Officer at the University of Chicago Metallurgical Lab, serving there from 1943 to 1945.
