National Museum of Nuclear Science & History
L. H. Roberts worked for the H. K. Ferguson Company.
Charles A. McKenny served in the 393rd Bombardment Squadron.
George A. Ullrich was a chemist who performed analytical research at Clinton Laboratories in Oak Ridge, TN during the Manhattan Project.
Margaret M. Emmerson was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
