National Museum of Nuclear Science & History
A. L. Barber worked for the H. K. Ferguson Company.
Edward Littleton was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Jack Busby was a Military Policeman from Waco, Texas, and served at Oak Ridge, TN as part of the Manhattan Project.
Warren Nyer (1921-2016) was an American physicist. Nyer was nineteen and studying physics at the University of Chicago when he was hired as a research assistant with the Office of Scientific Research and Development, an early part of the bomb-building program.