Brian Schmidt

Brian Schmidt
Name	Brian Schmidt
Caption	Schmidt in 2011
Birth date	24 February 1967
Birth place	Missoula, Montana, United States
Nationality	Australian / American
Fields	Astrophysics, Observational cosmology
Workplaces	Australian National University, Mount Stromlo Observatory
Alma mater	University of Arizona, Harvard University
Doctoral advisor	Robert Kirshner
Known for	Accelerating expansion of the universe, High-z Supernova Search Team
Prizes	Nobel Prize in Physics (2011), Shaw Prize (2006)

Brian Schmidt is an astrophysicist and Nobel laureate renowned for his pivotal role in the discovery of the accelerating expansion of the universe. As a leader of the High-z Supernova Search Team, his work provided key observational evidence for the existence of dark energy, fundamentally altering the understanding of cosmology. He is a Distinguished Professor at the Australian National University and served as Vice-Chancellor of the institution from 2016 to 2023.

Early life and education

Born in Missoula, Montana, Schmidt spent his early years in Alaska and Montana before his family settled in Anchorage. His interest in science was sparked by his father, a biologist, and he developed a passion for astronomy during high school. He pursued his undergraduate studies at the University of Arizona, earning a Bachelor of Science in Physics and a Bachelor of Science in Astronomy in 1989. For his doctoral research, he moved to Harvard University, where he worked under the supervision of renowned astrophysicist Robert Kirshner at the Harvard–Smithsonian Center for Astrophysics. He completed his PhD in Astronomy in 1993, with a thesis focused on Type II supernovae.

Career and research

Following his doctorate, Schmidt accepted a postdoctoral fellowship at the Harvard–Smithsonian Center for Astrophysics. In 1995, he moved to Australia to take up a position at the Mount Stromlo Observatory, part of the Australian National University (ANU). At Mount Stromlo, he established the High-z Supernova Search Team in 1994, an international collaboration aimed at measuring the expansion history of the universe by observing distant Type Ia supernovae. His team, alongside the rival Supernova Cosmology Project led by Saul Perlmutter, meticulously collected data from telescopes including the Keck Observatory and the Hubble Space Telescope. Their analysis revealed that distant supernovae were fainter than predicted, indicating the expansion of the universe was speeding up, not slowing down as previously assumed.

Nobel Prize in Physics

The groundbreaking discovery of the accelerating universe was announced in 1998 and is considered one of the most significant findings in modern cosmology. For this work, which provided the first direct evidence for dark energy, Schmidt shared the 2011 Nobel Prize in Physics with Adam Riess, his former postdoctoral researcher, and Saul Perlmutter. The Royal Swedish Academy of Sciences cited their contributions to the discovery. The prize highlighted the collaborative nature of the research, involving dozens of scientists across the High-z Supernova Search Team and the Supernova Cosmology Project.

Later work and leadership

After the Nobel Prize, Schmidt continued his research at ANU, focusing on using supernovae to measure cosmic distances and studying the epoch of reionization. He played a leading role in the SkyMapper telescope project, a wide-field survey instrument at Siding Spring Observatory. In a major career shift, he was appointed the 12th Vice-Chancellor of the Australian National University in 2016, serving until 2023. In this executive role, he oversaw the university's academic and financial direction, advocating strongly for scientific research and climate change action. He remains a prominent public intellectual, frequently commenting on science policy in Australia.

Awards and honors

Schmidt has received numerous accolades for his scientific contributions. Prior to the Nobel Prize, he was awarded the Australian Government's Malcolm McIntosh Prize in 2000 and the Pawsey Medal from the Australian Academy of Science in 2001. In 2006, he shared the Shaw Prize in Astronomy with Adam Riess and Saul Perlmutter. He is a Fellow of the Australian Academy of Science, the United States National Academy of Sciences, and the Royal Society. He was named a Companion of the Order of Australia in 2013 for his eminent service to science and education.

Personal life

Schmidt is married to Jennifer Gordon, an economist he met while at Harvard University; they have two children. He became an Australian citizen in the mid-1990s and holds dual citizenship with the United States. He owns and operates a vineyard, "Maipenrai," in the Canberra District wine region, producing Pinot Noir and Syrah. An avid believer in the public communication of science, he has participated in numerous documentaries and public lectures, including the BBC's "The Universe" series and the Australian Broadcasting Corporation's "Big Ideas" program.

Category:Australian astrophysicists Category:Nobel laureates in Physics Category:Australian National University faculty