My colleague Chris Griffith, with whom I collaborated to put The Effects of Nuclear Weapons, Third Edition (1977) online, is also a spaceflight enthusiast (and an urban trails hiker: check out his new book!).

My colleague Chris Griffith, with whom I collaborated to put The Effects of Nuclear Weapons, Third Edition (1977) online, is also a spaceflight enthusiast (and an urban trails hiker: check out his new book!).