National Museum of Nuclear Science & History
R. M. Smith worked for the United States Engineer District Office.
Waldemar Nielsen (1917-2005) worked on the postwar surveys of Hiroshima and Nagasaki in Japan. Nielsen was born in Greensburg, Pennsylvania.
Wilam Spangler was a staff worker at Los Alamos during the Manhattan Project.
Mary Johns worked for the Tennessee Eastman Corporation at the Y-12 Plant.
