The FEBS Journal has published an obituary dedicated to our colleague, the head of the Laboratory of Receptor Cell Biology, the remarkable scientist Alexander Georgievich Petrenko, who died from COVID-19 in May 2021. The publication covers the scientific career of Alexander Petrenko, which lasted more than 4 decades. For more details on the publication, please follow the link: https://febs.onlinelibrary.wiley.com/doi/full/10.1111/febs.16282