Dan Falk is a freelance science journalist and author based in Toronto, Canada. His writing credits include The Globe and Mail, The Toronto Star, The Walrus, Astronomy, Cosmos, and New Scientist, and he has contributed to numerous CBC Radio programs. His magazine work and his radio documentaries have earned Falk two American Institute of Physics science writing awards, as well as gold and silver medals from the New York Festivals for Radio Broadcasting. He is also the author of two popular science books, Universe on a T-Shirt and In Search of Time.