The Beginning or the End is a 1947 American docudrama film about the development of the atomic bomb in World War II, directed by Norman Taurog, starring Brian Donlevy, Robert Walker, and Tom Drake, and released by Metro-Goldwyn-Mayer. The film dramatizes the creation of the atomic bomb in the Manhattan Project and the bombing of Hiroshima.

Norman Rae Taurog was an American film director and screenwriter. From 1920 to 1968, Taurog directed 180 films. At the age of 32, he received the Academy Award for Best Director for Skippy (1931), becoming the youngest person to win the award for eight and a half decades until Damien Chazelle won for La La Land in 2017. He was later nominated for Best Director for the film Boys Town (1938). He directed some of the best-known actors of the twentieth century, including his nephew Jackie Cooper, Spencer Tracy, Mickey Rooney, Judy Garland, Deanna Durbin, Fred Astaire, Gene Kelly, Deborah Kerr, Peter Lawford, Dean Martin, Jerry Lewis, and Elvis Presley. Taurog directed six Martin and Lewis films, and nine Elvis Presley films, more than any other director.