 Alvin Martin Weinberg ( April 20 , 1915 – October 18 , 2006 ) was an American nuclear physicist who was the administrator at Oak Ridge National Laboratory ( ORNL ) during and after the Manhattan Project . He came to Oak Ridge , Tennessee , in 1945 and remained there until his death in 2006 . He was the first to use the term " Faustian bargain " to describe nuclear energy . 
