The Doomsday Clock is an internationally recognized design that conveys how close we are to destroying our civilization with dangerous technologies of our own making. First and foremost among these are nuclear weapons, but the dangers include climate-changing technologies, emerging... Read More
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Tim McDonnell is a program associate with the Wilson Center’s History and Public Policy Program and its Nuclear Proliferation International History Project. He earned his masters in security policy studies from the George Washington University.
In this Nuclear Notebook, guest author Timothy McDonnell reviews the five states that developed nuclear weapons outside the Nuclear Non-Proliferation Treaty—India, Israel, North Korea, Pakistan, and South Africa—and explores the milestones associated with each country’s weapons program.