David Brin
Glen David Brin (born October 6, 1950) is an American scientist and award-winning author of science fiction. He has received the Hugo, Locus, Campbell and Nebula Awards. His Campbell Award winning novel The Postman was adapted as a feature film and starred Kevin Costner in 1997. David Brin's nonfiction book The Transparent Society won the Freedom of Speech Award of the American Library Association and the McGannon Communication Award.