National Museum of Nuclear Science & History
Harry Bales worked for the J.A. Jones Construction Company.
Marion L. Williams served in the 603rd Air Engineering Squadron.
M. D. Peterson worked for Clinton Laboratories at the X-10 Reactor.
Margaret M. Emmerson was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Daniel Stern worked for the Tennessee Eastman Corporation at the Y-12 Plant.
