Which of the authors of "Welcome to the Universe: An Astrophysical Tour" advocated for the Doomsday Argument?
J. Richard Gott John Richard Gott III (born February 8, 1947 in Louisville, Kentucky) is a professor of astrophysical sciences at Princeton University. He is known for developing and advocating two cosmological theories: Time travel and the Doomsday argument.
Orion's Arm Orion's Arm (also called the Orion's Arm Universe Project, OAUP, or simply OA) is a multi-authored online science fiction world-building project, first established in 2000 by M. Alan Kazlev, Donna Malcolm Hirsekorn, Bernd Helfert and Anders Sandberg and further co-authored by many people since. Anyone can contribute articles, stories, artwork, or music to the website. A large mailing list exists, in which members debate aspects of the world they are creating, discussing additions, modifications, issues arising, and work to be done.