C.S. Lewis claimed he was no theologian. At least that wasn’t his day job. But it didn’t stop him from seriously shaping some of today’s most influential theologians.

Lewis was a world-class scholar of English literature, and a Christian layman and apologist, and one of the main formative heroes for both Tim Keller and John Piper.

In this new 10-minute video, Piper interviews Keller about Lewis’s ongoing impact on him and Lewis’s model of cultural engagement which has marked Keller and continues to be relevant in the twenty-first century.

(Part 1 of the discussion)