World News The 'Man Who Saved The World' From Potential Nuclear Exchange Dies 5:49pm September 19, 2017 by Greg Myre World Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2017 NPR. To see more, visit http://www.npr.org/. 300x250 Ad More All Things Considered Environment National Phoenix heat isn't ceasing at night, either Music & Culture NPR Music's favorite new releases 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate