A stroll through a neighborhood on the northwest side of Chicago leads a local woman to come across a stone that’s a part of history. Behind the stone? A story of one man caught in two worlds, pursuing peace and history. The man? Billy Caldwell. In this piece for Backstory, Larry Potash looks at his legacy through a modern-day lens.

 Backstory with Larry Potash airs Sunday nights at 11 on WGN-TV and on smart TVs on the free WGN+ app. For more, download the Backstory podcast wherever you get your podcasts, go to WGNtv.com/backstory, or follow Larry Potash on your favorite social media.