Walter Murch is a superstar sound designer, who's worked on some of Hollywood's biggest films like The Godfather trilogy and Apocalypse Now. His work has immersed audiences in everything from the clattering trains of New York to the rhythmic helicopter rotors of the Vietnam war. Walter's avant-garde production techniques have changed the way cinema sounds. His story is featured in the documentary, Making Waves: The Art of Cinematic Sound.

Presenter: Emily Webb
Producer: Maryam Maruf

Picture: Still from The Godfather
Credit: Getty Images/Paramount Pictures/Handout