Carl Sagan was an American Pulitzer-prize winning author and astrophysicist. Sagan is the author of more than 600 publications. <q>“For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.” </cite>― Carl Sagan, The Demon-Haunted World: Science as a Candle in the Dark</cite></q>