theology) because the motivation for the way things are (or might be) is never examined. See also Kip Thorne's writings on wormhole time travel marked the introduction of the subject's serious discussion in physics Regular pseudopolyhedrons, infinite periodic polyhedra in 3-space Notes References Gott, Richard, J III. Implications of the Copernican principle for our future prospects (1993, Nature vol 363, p315) This was Gott's original description of the Doomsday argument. He later published a popularized version in... Gott, Richard, J III. A Grim Reckoning, 15 November 1997 New Scientist (page 36). Paul Davies, How to build a time machine, 2002, Penguin popular science, gives a very brief non-mathematical description of Gott's alternative; the specific setup is not intended by Gott as the best-engineered approach to moving backwards in time, rather, it is a theoretical argument for a non-wormhole means of time travel. J Richard Gott, Time Travel in Einstein's Universe: The Physical Possibilities of Travel Through Time, 2002, Houghton Mifflin Books, J. R. Gott, Pseudopolyhedrons, American Mathematical Monthly, Vol 74, p. 497-504, 1967. J. Richard Gott, The cosmic web - mysterious architecture of the universe. Princeton University Press, Princeton 2016, . Neil deGrasse Tyson, Michael A. Strauss, J. Richard Gott, Welcome to the Universe: An Astrophysical Tour. Princeton University Press, Princeton 2016, . External links an interview with science & spirit magazine which briefly covers Gott's personal views on the major controversies he has stirred up. He combines his two more controversial positions by saying that he would like to travel 200,000 years into the future to see whether his Doomsday argument prediction would pay off. Q & A with Dejan Vinkovic illustrated with a few pictures and a GIF animation of a self-creating universe, in which Gott advocates the importance of the average person having an education in science and especially physics. Abstract to Gott's "A grim reckoning" New Scientist article - online content of the full article requires a paid registration. A link to the entire New scientist article. Rüdiger Vaas argues that Gott's self-creating universe is not rendered meaningless by Kant's first antinomy of pure reason. J. Richard Gott, III - Astronomy Faculty page at Princeton on Gott and the Copernican Principle. 1947 births Living people 20th-century American astronomers American cosmologists American Presbyterians People from Louisville, Kentucky