Group portrait of the physicists,led by Enrico Fermi (front left),who ushered in the atomic age. Left to right,back row: Norman Hilberry,Samuel Allison,Thomas Brill,Robert Nobles,Warren Nyer & Marvin Wilkening. Middle row: Harold Agnew,William Sturm,Harold Lichtenberger,Leona Woods & Leo Szilard. Front row: Fermi,Walter Zinn,Albert Wattenberg & Herbert Anderson. The photo was taken at the University of Chicago on 2 December 1946,the 4th anniversary of the first self-sustaining chain reaction in the experimental atomic pile (or nuclear reactor) built by the group as part of the Manhattan Project,the US atom bomb programme |