Robert Langer is not just a scientist — he is one of the greatest scientific minds in human history. As the most cited engineer of all time and one of the ten most cited scientists across all fields, his work has shaped the modern landscape of biotechnology and medicine. In this episode, Dr. Langer—one of only nine Institute Professors at MIT and holder of over 40 honorary doctorates—joins us to explore how he identifies problems worth solving, builds world-changing teams, and takes ideas from the lab to life-saving global impact. This is a rare conversation about innovation, leadership, and legacy from a pioneer whose work has transformed the lives of billions.