Bruce Cameron Reed is a physicist and a professor at Alma College. In this interview, he discusses a course he teaches at Alma about nuclear weapons and the Manhattan Project. He explains how he became interested in the physics and history of the Manhattan Project. He provides an overview of some of the challenges the Manhattan Project scientists faced and why uranium, plutonium, and polonium are so difficult to work with. Reed describes some of the innovations of the project, including the implosion design and lenses, the tamper, and the polonium initiator. He concludes by sharing his thoughts on some of the ethical issues related to nuclear weapons.