Lars Hernquist, IAU (IMAGE) International Astronomical Union Caption Lars Hernquist (Center for Astrophysics | Harvard & Smithsonian), recipient of the 2020 Gruber Foundation Cosmology Prize. Credit IAU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.