National Museum of Nuclear Science & History
Holman worked for Stone and Webster Engineering Corporation.
John Costa worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ken Foster joined the Dayton Project in July, 1948. He worked in an assay group at the Runnymeded Playhouse in Oakwood, where he conducted studies on the radiation properties of the polonium that was being manufactured there.
Mildred Wagoner worked for the Roane-Anderson Company.
