The Beginning or the End

The Beginning or the End 1947 is an American docudrama film about the development of the atomic bomb in World War II, directed by Norman Taurog, starring Brian Donlevy and Hume Cronyn, and released by MetroGoldwynMayer MGM. The film dramatizes the creation of the atomic bomb in the Manhattan Project and the bombing of Hiroshima.

In 1945, physicist and atomic scientist Dr. J. Robert Oppenheimer Hume Cronyn praises the discovery of atomic energy, but also warns of its dangers. American scientists such as Matt Cochran Tom Drake, working under the guidance of Dr. Enrico Fermi Joseph Calleia and Dr. Marr Victor Francen, have split the atom, and essentially beaten the Germans in the race to create an atomic bomb. With the assistance of Albert Einstein Ludwig Stssel, they inform President Franklin D. Roosevelt Godfrey Tearle that a monumental discovery has been made.In 1941, with the United States at war, Roosevelt authorizes up to two billion dollars for the Manhattan Project to develop an atomic bomb. In December 1942, at the University of Chicago, under the watchful eyes of observers such as Colonel Jeff Nixon Robert Walker and international experts, scientists create the first chain reaction, under a stadium at the campus. ........

Source: Wikipedia