When was the American astronomer, cosmologist, astrophysicist, astrobiologist died who's introduction is in The Space Gods Revealed?
The Space Gods Revealed The Space Gods Revealed: A Close Look At The Theories of Erich von Däniken is a book written in 1976 by Ronald Story, with an introduction by Carl Sagan. It was written as a refutation to the theories and evidence in Erich von Däniken's most famous work, "Chariots of the Gods?", almost page by page.
Allan Sandage Allan Rex Sandage (June 18, 1926 – November 13, 2010) was an American astronomer. He was Staff Member Emeritus with the Carnegie Observatories in Pasadena, California. He determined the first reasonably accurate values for the Hubble constant and the age of the universe. He also discovered the first quasar.