Timothy Ferris is the author of a dozen books (most recently The Science of Liberty), plus 200 articles and essays, and three documentary films—The Creation of the Universe, Life Beyond Earth, and Seeing in the Dark—seen by over 20 million viewers. Ferris produced the Voyager phonograph record, an artifact of human civilization containing music and sounds of Earth launched aboard the twin Voyager interstellar spacecraft. Called “the best popular science writer in the English language” by The Christian Science Monitor and “the best science writer of his generation” by The Washington Post, Ferris has received the American Institute of Physics prize and a Guggenheim Fellowship. A Fellow of the American Association for the Advancement of Science, Professor Ferris has taught in five disciplines at four universities. He is currently an emeritus professor at the University of California, Berkeley.