It is, in the words of its director, the story of the most important person who ever lived.

And on Sunday, "Oppenheimer" completed its indomitable march toward Hollywood's most important prize, winning the Academy Award for best picture.

Christopher Nolan's masterpiece — the story of the brilliant physicist who oversaw the invention of the atomic bomb, changing the world forever — is a grand, old-fashioned blockbuster for grown-ups.