After 50 years of study and investigation, nuclear physicist Stanton T. Friedman has summarized his views about flying saucers.
He is convinced that the evidence is overwhelming that some UFOs are intelligently controlled extraterrestrial spacecraft, that the subject represents a Cosmic Watergate, that there are no good objections to these conclusions, and that flying saucer reality and its cover-up is the biggest story of the past millennium.
Carl Edward Sagan (November 9, 1934 – December 20, 1996) was an American astronomer, astrochemist, author, and highly successful popularizer of astronomy, astrophysics and other natural sciences. He pioneered exobiology and promoted the Search for Extra-Terrestrial Intelligence (SETI)
He is world-famous for writing popular science books and for co-writing and presenting the award-winning 1980 television series Cosmos: A Personal Voyage, which has been seen by more than 600 million people in over 60 countries, making it the most widely watched PBS program in history. A book to accompany the program was also published. He also wrote the novel Contact the basis for the 1997 film of the same name.
One of the last books he wrote was Pale Blue Dot During his lifetime, Sagan published more than 600 scientific papers and popular articles and was author, co-author, or editor of more than 20 books. In his works, he frequently advocated skeptical inquiry, secular humanism, and the scientific method.