National Museum of Nuclear Science & History
Thomas Puddester was a staff worker at Los Alamos during the Manhattan Project.
Waldemar Nielsen (1917-2005) worked on the postwar surveys of Hiroshima and Nagasaki in Japan. Nielsen was born in Greensburg, Pennsylvania.
Neil Bergen was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Elvin Olsen was a staff worker at Los Alamos during the Manhattan Project.
