Keith Meerholz escaped from the World Trade Center’s North Tower on September 11, 2001.

But when his wife, Grete, first heard about the attacks, she didn’t know whether or not Keith had made it out.

At StoryCorps, they talked about the moment she learned he was safe, and how the experience has changed them.

Originally aired July 25, 2004 on WNYC’s Brian Lehrer Show.