Seth Shostak is the Senior Astronomer at the SETI Institute in California, and is part of the research team using large radio telescopes to search for evidence of intelligent life elsewhere. He has a BA in physics from Princeton University and a PhD in astronomy. Seth has appeared on hundreds of national and international TV and radio shows, and is host of the SETI Institute’s weekly, one hour radio show, “Big Picture Science,” now broadcast on more than 100 stations in the U.S. and Canada. Seth Shostak has penned more than 600 popular articles on science, technology, photography and film. He is the author of four books, including a college textbook on astrobiology.