National Museum of Nuclear Science & History
P. D. Simpson worked for the Poe Piping & Heating Company.
Hannoch worked in the United States Engineer District Office.
Richard Lyon was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Roy H. Krauss served in the 390th Air Service Group.
W. N. Mundy worked for the J.A. Jones Construction Company.
