Oppenheimer has passed $500million (£392m) at the global box office, making it the most successful WW2 film ever.Cillian Murphy stars in Christopher Nolan‘s critically acclaimed film as Robert J. Oppenheimer, the real-life American physicist who played a pivotal role in the creation of the atomic bomb.This past weekend, the film passed the huge box office milestone and its total figure now sits at $552.9m.According to Box Office Mojo, that takes it beyond Dunkirk ($527m), Saving Private Ryan ($482m), and Pearl Harbor ($449m) to become the highest grossing film of all time to be set during the second world war.However, it is still lagging behind its box office rival Barbie, which hit $1bn at the global box office this weekend.Oppenheimer scored a glowing five-star review from NME upon its release, with Paul Bradshaw writing: “Not just the definitive account of the man behind the atom bomb, Oppenheimer is a monumental achievement in grown-up filmmaking.