* The Doomsday argument and the number of possible observers by Ken Olum In 1993 J. Richard Gott used his "Copernicus method" to predict the lifetime of Broadway shows.
* The Doomsday Argument, Consciousness and Many Worlds by John Eastmond* The Doomsday argument and the number of possible observers by Ken Olum In 1993 J. Richard Gott used his «Copernicus method» to predict the lifetime of Broadway shows.