Harlan Cleveland. The Knowledge Executive: Leadership in an Information Society. New York: Truman Talley Books, 1985.
Leslie Guttman. Can astronaut thinking heal America at last? OZY. www.ozy.com. January 27, 2021.
Frank White. The Overview Effect: Space Exploration and Human Evolution. New York: Houghton Mifflin, 1987. Tells the story of the dramatic change in many astronauts’ worldviews after viewing Earth from space.
Images: From Canyon Green, Franz Bischoff CC0