Albert Einstein to Franklin D. Roosevelt - August 2, 1939
The letter below, sent to the U.S. President Franklin D. Roosevelt on August 2, 1939, was signed by Albert Einstein but was largely written by the Hungarian physicist Leó Szilárd. No attempt at original formatting has been made. Albert Einstein Old Grove Rd. Nassau Point Peconic, Long Island August 2nd, 1939 F.D. Roosevelt President of the United States, White House Washington, 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 in the immediate future. Certain aspects of the situation which has arisen seem to call for watchfulness and, if necessary, quick action on the part of the Administration. I believe therefore that it is my duty to bring to your attention the following facts and recommendations: In the course of the last four months it has been made probable – through the work of Joliot in France as well as Fermi and Szilard...