National Museum of Nuclear Science & History
John Sullivan was a staff worker at Los Alamos during the Manhattan Project.
Jose A. Valdez was a staff worker at Los Alamos during the Manhattan Project.
Attended Rensselaer Polytechnic University.
George Koval was an American chemical engineer and one of the most important Soviet spies of the 20th century.
Waldemar Nielsen (1917-2005) worked on the postwar surveys of Hiroshima and Nagasaki in Japan. Nielsen was born in Greensburg, Pennsylvania.