Bernard Chazelle is Eugene Higgins Professor of Computer Science at Princeton University. He is a fellow of the Association for Computing Machinery, the American Academy of Arts and Sciences, the John Simon Guggenheim Memorial Foundation, and a member of the European Academy of Sciences. He’s authored an extensive collection of essays on music for A Tiny Revolution. This interview is edited and produced with music and other features in the On Being episode “Bernard Chazelle — Discovering the Cosmology of Bach.” Find more at onbeing.org.