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.
Tom Van Flandern Thomas C Van Flandern (June 26, 1940 – January 9, 2009) was an American astronomer and author specializing in celestial mechanics. Van Flandern had a career as a professional scientist, but was noted as an outspoken proponent of non-mainstream views related to astronomy, physics, and extra-terrestrial life. He also published the non-mainstream "Meta Research Bulletin". He died of colon cancer in Seattle, Washington.