Oppenheimer is a historical drama film directed by Christopher Nolan and based on the Pulitzer Prize-winning biographical book, American Prometheus: The Triumph and Tragedy by J. Robert Oppenheimer, written by Kai Bird and Martin J. Sherwin. Set in World War II, the feature follows the life of J. Robert Oppenheimer (Cillian Murphy), theoretical physicist at the University of California and director of the Los Alamos Laboratory during the Manhattan Project – which had the mission to design and build the first bombs. atomic. The plot accompanies the physicist and a group of other scientists throughout the process of developing the nuclear weapon that was responsible for the tragedies in the cities of Hiroshima and Nagasaki, Japan, in 1945. In addition to Cillian, the cast also features names like Emily Blunt, Matt Damon, Robert Downey Jr., Florence Pugh, Gary Oldman, Jack Quaid, Gustaf Skarsgård, Rami Malek and Kenneth Branagh.