"Version: 20190701"--Title page verso."A Morgan & Claypool publication as part of IOP Concise Physics"--Title page verso.Includes bibliographical references.1. Recognizing the threat : origins of the NPT negotiations -- 1.1. Early nonproliferation proposals -- 1.2. Atoms for peace -- 1.3. The impact of the Irish resolution -- 1.4. The threat from new technologies -- 1.5. The multilateral nuclea…