National Museum of Nuclear Science & History
A. A. Groppe worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ruth Hillard was a technician at 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.
Jack Mullins worked for the Tennessee Eastman Corporation at the Y-12 Plant.
