Oppenheimer is a 2023 epic biographical thriller film written and directed by Christopher Nolan. Based on the 2005 biography American Prometheus by Kai Bird and Martin J. Sherwin, the film chronicles the life of Julius Robert Oppenheimer, a theoretical physicist who was pivotal in developing the first nuclear weapons as part of the Manhattan Project, and thereby ushering in the Atomic Age.
Cillian Murphy stars as the titular character, with Emily Blunt as Oppenheimer's wife, Katherine "Kitty" Oppenheimer, Matt Damon as General Leslie Groves, Oppenheimer's military handler, and Robert Downey Jr. as Lewis Strauss, a senior member of the United States Atomic Energy Commission. It was released the same day as Barbie, creating the meme "Barbenheimer" also known as Barbie Heimer.
