National Museum of Nuclear Science & History
Halbrook worked in the United States Engineer District Office.
Edna Shea worked for the United States Engineer District Office as confidential secretary to Col. Stafford Warren, MD.
Helen J. Arson was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
M. D. Whitaker worked for Clinton Laboratories at the X-10 Reactor.
