Marc Oliver Herdrich, from Helmholtz Institute Jena, has received a poster prize at the International Conference on Precision Physics and Fundamental Physical Constants (FFK 2023) for his poster contribution “Report on Cryogenic Micro-Calorimeter Detectors in High-Precision X-Ray Spectroscopy Experiments at GSI/FAIR”. The award is sponsored by the Physics Journal, an Open Access Journal by MDPI.