Council for a Livable World is a Washington, D.C.-based non-profit, advocacy organization dedicated to eliminating the U.S. arsenal of nuclear weapons. Its stated aim is for "progressive national security policies and helping elect congressional candidates who support them." The Council was founded in 1962 as the Council for Abolishing War by Hungarian nuclear physicist Leó Szilárd. Its research arm, the Center for Arms Control and Non-Proliferation, provides research to members of Congress and their staff. In February, 2016, John F. Tierney was appointed the executive director of the Council for a Livable World and the Center for Arms Control and Non-Proliferation, the council’s affiliated education and research organization. For more than 50 years, the Council for a Livable World has bee