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.
Sticky bead argument In general relativity, the sticky bead argument is a simple thought experiment designed to show that gravitational radiation is indeed predicted by general relativity, and can have physical effects. These claims were not widely accepted prior to about 1955, but after the introduction of the bead argument, any remaining doubts soon disappeared from the research literature.