MICHAEL D. GRIFFIN
(Michael Douglas Griffin)
In this particular case Griffin was referring to manned space flight, but the principle is a general one. Risk can be managed and in many cases minimized, but can never be eliminated completely unless virtually all activity ceases.
Michael Douglas Griffin is an American physicist and aerospace engineer who served as the Under Secretary of Defense for Research and Engineering from 2018 to 2020. He previously served as Administrator of NASA, the U.S. space agency, from April 13, 2005, to January 20, 2009. As NASA Administrator Griffin oversaw such areas as the future of human spaceflight, the fate of the Hubble telescope and NASA's role in understanding climate change. In April 2009 Griffin, who has an academic background, was named eminent scholar and a professor of mechanical and aerospace engineering at the University of Alabama in Huntsville.
