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.
David Mathison David Mathison is an author, blogger, speaker, entrepreneur, new media activist, and event producer. He is best known for his book, "Be The Media", an encyclopedic guide to how individuals, organizations, and non-profits can use new media platforms to become content creators and distributors and reach audiences previously reserved for giant corporations.