a professional society of American physicists. He was cited for "his tireless and productive efforts to slow the transfer of nuclear weapons technology. He brings a unique combination of deep understanding, objectivity, and effectiveness to this vexed area." References External links ISIS website ISISNuclearIran Non-profit organizations based in Washington, D.C. Nuclear proliferation Nuclear weapons policy Think tanks established in 1993 Science and technology think tanks 1993 establishments in Washington, D.C.