The Race for Nuclear Weapons during World War II: The History and Legacy of Both Sides' Efforts to Build an Atomic Bomb

Before the Second World War, military conflicts were fought under orthodox conditions, usually termed “conventional warfare,” but several innovations had significantly changed combat, leading inextricably to the race for a nuclear weapon in the 1930s and 1940s. Conflicts had been fought by armies on horseback with guns of varying sophistication since the 16th century, but mechanized warfare and machine guns changed this calculus and set the stage for future combat by the end of World War I....