John Rennie

John Rennie joined Quanta Magazine as deputy editor in 2017. Previously, he spent 20 years at Scientific American, where he served as editor in chief between 1994 and 2009. He created and hosted Hacking the Planet, an original 2013 TV series for The Weather Channel, and has appeared frequently on television and radio on programs such as PBS’s Newshour, ABC’s World News Now, NPR’s Science Friday, the History Channel special Clash of the Cavemen and the Science Channel series Space’s Deepest Secrets. John has also been an adjunct professor of science writing at New York University since 2009. Most recently, he was editorial director of McGraw-Hill Education’s online science encyclopedia AccessScience.