J. Anthony Tyson

J. Anthony Tyson is a physicist and astronomer known for his contributions to experimental physics, cosmology, and observational astronomy. Tyson serves as Distinguished Professor of Physics at the University of California, Davis. He earned his doctorate from the University of Wisconsin and worked as a member of the technical staff at Bell Laboratories for several decades.

During his tenure at Bell Labs, Tyson advanced the field of observational astronomy by applying charge-coupled devices (CCDs) to astronomy, discovering a population of faint blue galaxies, and pioneering the field of weak gravitational lensing. Using distant galaxies as sources, Tyson created the first maps of dark matter through weak gravitational lensing. He also developed the Big Throughput Camera, which contributed to the discovery of dark energy. While working with the NSF Víctor M. Blanco 4-meter Telescope in Chile, Tyson and his team supported astronomers studying galaxies and searching for distant supernovae, leading to observations that provided early evidence for the accelerating expansion of the universe and the existence of dark energy.

Tyson's research interests include cosmology, dark matter, dark energy, optical astronomy, experimental gravitational physics, and astronomical instrumentation. In the 1990s, Tyson initiated a project to build a next-generation sky survey, which evolved into the Vera C. Rubin Observatory and its flagship program, the "Legacy Survey of Space and Time." As chief scientist, Tyson played a central role in the development of the observatory, addressing challenges in detector and survey design and helping to establish a facility that enables large-scale astronomical surveys and the discovery of new celestial objects.

Tyson has been recognized by Nature's 10, a list of individuals who have shaped science, and was named one of TIME magazine's 100 Most Influential People. An asteroid discovered by astronomers with the Sloan Digital Sky Survey was named 179223 Tonytyson in his honor, with the official naming citation published by the International Astronomical Union's Working Group for Small Body Nomenclature.

Tyson is a fellow of the American Physical Society and the American Academy of Arts and Sciences, and a member of the National Academy of Sciences and the American Philosophical Society. He has received the Aaronson Memorial Prize and delivered the Scott Lectures at Cambridge University. Tyson has described himself as fascinated with uncovering faint signals and conducting experiments that reveal the fundamental properties of nature, contributing to advancements in astrophysics and the study of the universe.