Einstein and the Manhattan Project. URL: https://www.amnh.org/exhibitions/einstein/peace-and-war/the-manhattan-project (visited on 2023-12-10).
This source describes Albert Einstein's role in the development of atomic weapons during World War II. It clarifies that his assistance was quite "indirect" since he didn't actually have the security clearance to work on the project. The source details Einstein's feelings toward the bomb, and how he only advocated for its development so that the Nazis didn't build one first.