Back to Article List From the January 2010 issue Astro Confidential: Our turn: Jim Kaler Jim Kaler is a professor emeritus of astronomy at the University of Illinois at Urbana-Champaign and the author of 14 books. By Karri Ferron | Published: January 25, 2010 | Last updated on May 18, 2023 Bryan Dunne Learn more about Jim Kaler.