The Nobel Prize is the most prestigious recognition one can receive for a lifetime of impactful work. However, the laureates who stand in the spotlight often overshadow those whose contributions are just as transformative, albeit less well-known. In this volume, we focus on the unsung heroes of the Nobel Prize—those lesser-known but equally impactful individuals whose work has advanced human knowledge, alleviated suffering, and changed the course of history, even if they did not receive the widespread fame of other Nobel laureates.