National Museum of Nuclear Science & History
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
Edward Littleton was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Robert Miller was an electrical engineer in the Special Engineering Detachment at Oak Ridge, Tennessee, primarily focused on the development of measuring instrument.
Jerry Huskins worked for the Roane-Anderson Company.
