Volker Springel, IAU (IMAGE) International Astronomical Union Caption Volker Springel (Max Planck Institute for Astrophysics), recipient of the 2020 Gruber 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.