Manhattan Project History

22nd May 1944  The Rt. Hon. Winston S. Churchill, C.H., M.P. Sir, In accordance with your kind permission, I have the honour to send you a brief report about my impressions of the great Anglo-American enterprise, in the scientific aspects of which I have been given the opportunity to participate together with my British colleagues. […]

Albert EinsteinOld Grove Rd.Nassau PointPeconic, Long Island August 2nd, 1939 F.D. Roosevelt,President of the United States,White HouseWashington, D.C. Sir: Some recent work by E. Fermi and L. Szilard, which has been communicated to me in manuscript, leads me to expect that the element uranium may be turned into a new and important source of energy […]