Brian Paul Schmidt is a Nobel Prize-winning astrophysicist whose research has yielded fundamental insights into the evolution of our Universe. He serves as a Distinguished Professor of Astronomy at the Australian National University's Research School of Astronomy and Astrophysics following his term as Vice-Chancellor of the institution from 2016 to 2024. Born in Missoula, Montana in 1967, he completed dual bachelor's degrees in physics and astronomy at the University of Arizona in 1989 before earning his master's and doctorate in astronomy from Harvard University in 1992 and 1993. Schmidt relocated to Australia in 1995, where he became a naturalized citizen and established his research career at the Australian National University's Mount Stromlo Observatory. His leadership extends beyond research, having guided one of Australia's most prestigious universities through significant academic and administrative challenges.
Schmidt is internationally renowned for forming and leading the High-Z Supernova Search Team, which made the groundbreaking discovery that the universe's expansion is accelerating rather than decelerating as previously believed. Through meticulous observations of Type Ia supernovae in distant galaxies, his team provided the first compelling evidence that the universe's expansion rate is increasing, fundamentally altering cosmological models. This paradigm-shifting discovery indicated the existence of dark energy, a mysterious repulsive force now understood to constitute approximately 73 percent of the universe's total energy density. For this transformative work, Schmidt shared the 2011 Nobel Prize in Physics with Saul Perlmutter and Adam Riess in what is widely regarded as one of the most significant cosmological findings of the twentieth century. The implications of this discovery continue to drive research into the fundamental nature of space, time, and the ultimate fate of the cosmos.
Beyond his Nobel Prize-winning research, Schmidt has made significant contributions to observational astronomy through projects such as SkyMapper, which is creating a comprehensive digital map of the southern sky from ultraviolet through near infrared wavelengths. He has mentored generations of astronomers and played pivotal roles in international collaborations including the Essence Project, which continues to refine measurements of cosmic acceleration and the properties of dark energy. Schmidt's scientific leadership extends to his passionate advocacy for evidence-based science policy and his engaging public communication efforts that have made complex cosmological concepts accessible to broad audiences worldwide. Throughout his career, he has balanced rigorous scientific investigation with vineyard management near Canberra, reflecting his diverse interests beyond academia. Today, Professor Schmidt continues to advance our understanding of the cosmos while championing the critical role of scientific inquiry in addressing global challenges.