R. Stephen Berry is a James Franck Distinguished Service Professor Emeritus and member of the Department of Chemistry faculty at the University of Chicago. He received his BA and PhD from Harvard University. He is a Fellow of the American Academy of Arts and Sciences, a Foreign Member of the Royal Danish Academy of Sciences, and has received among various other accolades the Alfred P. Sloan Fellow (1962-66). Professor Berry's research explores the topics of structures, properties and dynamics of clusters and biopolymers, dynamics of few-body systems, and finite-time thermodynamics.