For most people, discovering a new dinosaur would be the achievement of a lifetime. For Paul Sereno, dozens of new species mark a globe-trotting career driven by exploration, scientific discovery, education, and a relentless desire to understand worlds that vanished millions of years ago. A renowned paleontologist, archaeologist, explorer, and professor at the University of Chicago, Sereno has spent decades venturing into some of the most remote and challenging landscapes on Earth, uncovering remarkable creatures and lost civilizations that have transformed our understanding of history.