John Rennie

JOHN RENNIE, appointed editor in chief of Scientific American, is only the seventh editor in chief in the nearly 155-year history of the magazine.

Rennie joined the staff of Scientific American as a member of the Board of Editors in 1989, having previously worked as a science writer covering biology, technology and medicine for a variety of publications.

His writing has appeared in The Economist, The New York Times, Longevity and other publications. His numerous television and radio appearances include ABC World News Weekend, The Newshour with Jim Lehrer, the A&E special Scams, Schemes and Scoundrels, Fox News Channel, Entertainment Tonight, ABC News Overnight, CBS Early Show and National Public Radio's Science Friday.


Beyond Edge: Scientific American