1. Historical Figures in Nuclear Science http://www.accessexcellence.org/AE/AEC/CC Biographies of Roentgen, Becquerel, the Curies, and Rutherford. By Genentech.
2. Atomic Energy For Military Purposes;Smyth;Reviews of Modern Physics,1945
3. Atomic Energy for Military Purposes;Smyth,1945
4. The Smyth Report online http://sun00781. dn.net/nuke/hew/Smyth Preface, selected chapters, and appendices.
5. Federation of American Scientists http://www.fas.org Search on Manhattan Project.