National Museum of Nuclear Science & History
Neil Bergen was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Hurley worked at the 300 Area at Hanford during the Manhattan Project.
Pettengill served in the 393rd Bombardment Squadron.
Waldemar Nielsen (1917-2005) worked on the postwar surveys of Hiroshima and Nagasaki in Japan. Nielsen was born in Greensburg, Pennsylvania.