National Museum of Nuclear Science & History
Grace Wallace 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.
Ellen Watts (1921-2008) was a technician in the Metal Production Group of the Chemistry Division at the Chicago Met Lab during the Manhattan Project.
N. J. Holland worked for the Roane-Anderson Company.
