"From a scientific perspective there is some indication that a nuclear war could deplete the earth's ozone layer or, less likely, could bring on a new Ice Age - but there is no suggestion that either the created order or mankind would be destroyed in the process."
Herman Kahn was an American strategist and futurist known for Cold War nuclear strategy analysis at RAND and later at the Hudson Institute. His work on deterrence and scenario planning became highly influential in defense and policy circles. He authored On Thermonuclear War and other forecasts about long-term social and technological change.