National Museum of Nuclear Science & History
E. S. Ryan, Jr. worked for the Poe Piping & Heating Company.
James C. Hart was a DuPont chemist and member of the health physics group during the Manhattan Project.
W. Bryant worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Marvin Tetenbaum was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Brooks worked in the United States Engineer District Office.
