In Spring of 1943, hundreds of scientists and technicians moved to a remote location in the mountains of New Mexico to work at a secret laboratory. Under the guidance of their leader, J. Robert Oppenheimer, they rushed to figure out how to channel the power of an atomic chain reaction to create a bomb. Meanwhile, secret plants in Tennessee and Washington sprung up overnight to produce the uranium and plutonium that would fuel the weapon.But the leaders of the Manhattan Project faced another challenge: how to keep such a sprawling enterprise hidden from enemies and prevent the designs from falling into the wrong hands.Listen to American History Tellers on the Wondery App or wherever you get your podcasts. Experience all episodes ad-free and be the first to binge the newest season. Unlock exclusive early access by joining Wondery+ in the Wondery App, Apple Podcasts or Spotify. Start your free trial today by visiting https://wondery.com/links/american-history-tellers/ now. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.