Terry Gross

He became a star for his role as Jeff Spicoli in Fast Times at Ridgemont High. He's been nominated for numerous Academy Awards, and he stars with Kevin Bacon and Tim Robbins in the suspenseful drama Mystic River.

Kahn was only 11 years old when his father, legendary architect Louis Kahn, died. We talk with Kahn about My Architect, the award-winning documentary in which he attempts to understand his father through his buildings and his relationships.

With his wife, writer Maggie Barrett, he'd planned to begin work on a book about Tuscany in mid-September, 2001, but the project was interrupted by the terrorist attacks. He photographed the excavation of Ground Zero, culminating in an exhibition that is now on tour around the world. Several months later, they resumed work on the Tuscany project. The book, Tuscany, is out now.