Phil Plait
Dr. Plait is an internationally renowned astronomer, author, and lecturer. His numerous appearances on radio, television, podcasts, and live in front of audiences have made him a celebrity in science circles, and put him in demand as an expert on astronomical matters. He has been interviewed on literally hundreds of national and local radio and TV stations about astronomical topics ranging from lunar eclipses to the fate of the Universe. His writing has appeared in dozens of magazines, and his first book, "Bad Astronomy," was a trade science hit. He has delighted audiences around the United States and in Australia with his lectures about astronomy, science, and the fight against pseudoscience.